x550 Series Installation Guide for Virtual Chassis Stacking Stackable 10Gigabit Intelligent Access Ethernet Switches AlliedWare Plus v5.4.

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1 x550 Series Stackable 10Gigabit Intelligent Access Ethernet Switches AlliedWare Plus v AT-x550-18XTQ AT-x550-18XSQ Installation Guide for Virtual Chassis Stacking Rev. B

2 Copyright 2017 Allied Telesis, Inc. All rights reserved. No part of this publication may be reproduced without prior written permission from Allied Telesis, Inc. Allied Telesis, VCStack, and the Allied Telesis logo are trademarks of Allied Telesis, Incorporated. All other product names, company names, logos or other designations mentioned herein are trademarks or registered trademarks of their respective owners. Allied Telesis, Inc. reserves the right to make changes in specifications and other information contained in this document without prior written notice. The information provided herein is subject to change without notice. In no event shall Allied Telesis, Inc. be liable for any incidental, special, indirect, or consequential damages whatsoever, including but not limited to lost profits, arising out of or related to this manual or the information contained herein, even if Allied Telesis, Inc. has been advised of, known, or should have known, the possibility of such damages.

3 Electrical Safety and Emissions Standards This product meets the following standards. U.S. Federal Communications Commission Radiated Energy Note: This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with this instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. Note: Modifications or changes not expressly approved of by the manufacturer or the FCC, can void your right to operate this equipment. Industry Canada This Class A digital apparatus complies with Canadian ICES-003. Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada. RFI Emissions: FCC Class A, EN55032 Class A, EN , EN , VCCI Class A, C-TICK, CE Warning: In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures. EMC (Immunity): EN55024 Electrical Safety: EN (TUV), UL ( C UL US ) Laser Safety EN

4 Translated Safety Statements Important: Safety statements that have the symbol are translated into multiple languages in the Translated Safety Statements document at 4

5 Contents Preface...11 Document Conventions...12 Contacting Allied Telesis...13 Chapter 1: Overview Front and Rear Panels...16 Management Panel...18 Features...19 x550 Models Gbps/10Gbps Twisted Pair Ports Gbps SFP or 10Gbps SFP+ Transceiver Slots Gbps QSFP+ Transceiver Slots...20 LEDs...20 Installation Options...21 Management Software and Interfaces...21 Management Methods Gbps/10Gbps Twisted Pair Ports Gbps SFP or 10Gbps SFP+ Transceiver Slots...23 QSFP+ Transceiver Slots...24 eco-friendly Button...26 VCStack Feature...27 LEDs...28 LEDs for the 1Gbps/10Gbps Twisted Pair Ports...28 LEDs for the 1Gbps SFP and 10Gbps SFP+ Transceiver Slots...29 LEDs for the 40Gbps QSFP+ Transceiver Slots...30 Switch ID LED...32 USB Port...34 Console Port...35 Power Supply...36 AlliedWare Plus Releases...37 Chapter 2: Virtual Chassis Stacking Overview...40 Stacking Guidelines...41 Planning the Stack...43 Stack Trunk...45 Master and Member Switches...48 Selection of the Master Switch...48 Switch ID Numbers...50 Optional Feature Licenses...51 Chapter 3: Beginning the Installation Reviewing Safety Precautions...54 Choosing a Site for the Switch...58 Unpacking the Switch...59 Chapter 4: Installing the Switch on a Table or in an Equipment Rack Installing the Switch on a Table or Desktop...64 Overview of Installing the Switch in an Equipment Rack...65 Installing the Switch in an Equipment Rack with the AT-RKMT-J14 Brackets...67 Required Items for the AT-RKMT-J14 Brackets

6 Contents Switch Orientations in the Equipment Rack Installing the Switch with the AT-RKMT-J14 Brackets Installing the Switch in an Equipment Rack with the AT-RKMT-J15 Bracket Required Items for the AT-RKMT-J15 Bracket Installing the Switch with the AT-RKMT-J15 Bracket Chapter 5: Installing the Switch on a Wall Switch Orientations on a Wall Installation Guidelines Tools and Material Plywood Base for a Wall with Wooden Studs Installing a Plywood Base Installing the Switch on a Plywood Base Installing the Switch on a Concrete Wall Chapter 6: Configuring Switches for Stacking Introduction Verifying the Status of the VCStack Feature Starting a Local Management Session Viewing the AlliedWare Plus Version Number, Feature Licenses, and Stacking Ports Enabling the VCStack Feature Changing the Ports of the Stack Trunk Chapter 7: Cabling the Ports Cabling the 1Gbps/10Gbps Ports on the AT-x550-18XTQ Switch Guidelines to Handling SFP, SFP+, and QSFP+ Transceivers Installing 1Gbps SFP or 10Gbps SFP+ Transceivers in the AT-x550-18XSQ Switch Installing AT-SP10TW Direct Connect Twinax Cables in the AT-x550-18XSQ Switch Installing AT-QSFPSR4 or AT-QSFPLR4 Transceivers Installing AT-QSFPCU Cables Chapter 8: Powering On and Verifying the Stack Powering On the Switches Sequentially Powering On the Switches Simultaneously Verifying the Stack Setting the Priority Numbers Monitoring the Initialization Processes Specifying Ports in the Command Line Interface for Stacks Chapter 9: Troubleshooting Appendix A: Technical Specifications Physical Specifications Environmental Specifications Power Specifications Certifications RJ-45 Twisted Pair Port Pinouts RJ-45 Style Serial Console Port Pinouts

7 Figures Figure 1: Front Panels of the AT-x550-18XTQ and AT-x550-18XSQ Switches...16 Figure 2: Back Panel...17 Figure 3: Management Panel...18 Figure 4: QSFP+ to SFP+ Breakout Cable...24 Figure 5: Link and Activity LEDs for the 1Gbps/10Gbps Ports on the AT-x550-18XTQ, Switch...28 Figure 6: Link and Activity LEDs for the 1Gbps SFP and 10Gbps Slot+ Slots on the AT-x550-18XSQ Switch...29 Figure 7: LEDs for the 40Gbps QSFP+ Slots...30 Figure 8: Switch ID LED...32 Figure 9: Switch ID LED...32 Figure 10: Switch ID LEDs in Low Power Mode...33 Figure 11: Stack Trunks of 40Gbps Transceiver Slots 17 and 21 (S3 and S4)...46 Figure 12: Stack Trunks of 10Gbps Ports 15 and 16 (S1 and S2)...47 Figure 13: AT-x550-18XTQ or AT-x550-18XSQ Switch Shipping Box...59 Figure 14: Accessory Kit...60 Figure 15: Accessory Kit (Continued)...61 Figure 16: AT-RKMT-J14 Brackets and Switch...65 Figure 17: AT-RKMT-J15 Bracket...65 Figure 18: AT-RKMT-J15 Bracket with Switches...66 Figure 19: Bracket Holes...67 Figure 20: AT-RKMT-J14 Bracket Holes...68 Figure 21: Switch Orientations with the Front Panel Facing the Front of the Equipment Rack...68 Figure 22: Switch Orientations with the Rear Panel Facing the Front of the Equipment Rack...69 Figure 23: Attaching the Handles to the AT-RKMT-J14 Brackets...70 Figure 24: Attaching the AT-RKMT-J14 Brackets to the Switch...70 Figure 25: Installing the Switch in an Equipment Rack...71 Figure 26: Installing the AT-RKMT-J15 Bracket in the Equipment Rack...72 Figure 27: Loosening the Two Thumbscrews on the Front of the AT-RKMT-J15 Bracket...73 Figure 28: Sliding Out the Tray from the AT-RKMT-J Figure 29: Removing the Plastic Feet from the Bottom Panel of the Switch...74 Figure 30: Placing a Switch in the AT-RKMT-J15 Bracket...75 Figure 31: Securing the Switch to the AT-RKMT-J15 Bracket...75 Figure 32: Sliding in the Bracket Tray...76 Figure 33: Tightening the Two Thumbscrews on the AT-RKMT-J15 Bracket...77 Figure 34: Positions of the Switch on the Wall...80 Figure 35: Switch on the Wall with a Plywood Base...83 Figure 36: Steps to Installing the Switch with a Plywood Base...84 Figure 37: Installing the Wall Brackets...87 Figure 38: Securing the Switch to the Plywood Base...88 Figure 39: Marking the Locations of the Bracket Holes on a Concrete Wall...90 Figure 40: Installing the Switch on a Concrete Wall...91 Figure 41: Installing the Power Cord Retaining Clip...95 Figure 42: Connecting the AC Power Cord to the Switch...96 Figure 43: Lowering the Power Cord Retaining Clip...96 Figure 44: Connecting the Power Cord to an AC Power Source...97 Figure 45: Connecting the Management Cable to the Console Port...98 Figure 46: User Exec Mode Prompt...99 Figure 47: Removing the Dust Plug from an SFP Slot Figure 48: Installing an SFP Transceiver Figure 49: Removing the Dust Cover from an SFP or SFP+ Transceiver

8 Figures Figure 50: Positioning the SFP or SFP+ Handle in the Upright Position Figure 51: Connecting a Fiber Optic Cable to an SFP or SFP+ Transceiver Figure 52: Installing AT-SP10TW Cables Figure 53: Removing the Dust Cover from Slot Figure 54: Sliding the AT-QSFPCU Cable into Slot Figure 55: Removing the Dust Cover from Slot Figure 56: Installing the AT-QSFPCU Cable in Slot Figure 57: SHOW STACK Command Figure 58: Moving to the Global Configuration Mode with the CONFIGURE TERMINAL Command Figure 59: Returning to the Privileged Exec Mode Figure 60: Saving the Priority Values with the WRITE Command Figure 61: Switch Initialization Messages Figure 62: Switch Initialization Messages (Continued) Figure 63: Switch Initialization Messages (Continued) Figure 64: PORT Parameter in the Command Line Interface Figure 65: RJ-45 Socket Pin Layout (Front View)

9 Tables Table 1: Basic Features...19 Table 2: Twisted Pair Ports on the AT-x550-18XTQ Switch...22 Table 3: Link and Activity LEDs on the 1Gbps/10Gbps Ports on the AT-x550-18XTQ Switch...28 Table 4: Link and Activity Status LEDs on the 1Gbps and 10Gbps Ports on the AT-x550-18XTQ Switch...29 Table 5: Link and Activity Status LEDs for the 40Gbps QSFP+ Transceiver Slots with QSFP+ Transceivers...31 Table 6: Link and Activity Status LEDs for the 40Gbps QSFP+ Transceiver Slots with Breakout Cables...31 Table 7: AlliedWare Plus Versions...37 Table 8: Commands for Displaying AlliedWare Plus Version Number, Feature Licenses, and Stacking Ports Table 9: Commands for Enabling the VCStack Feature Table 10: Example of Commands for Designating 10Gbps Ports as the Stacking Ports Table 11: PORT Parameter Format Table 12: Product Dimensions Table 13: Product Weights Table 14: Ventilation Requirements Table 15: Environmental Specifications Table 16: Maximum Power Consumptions Table 17: Input Voltages Table 18: Heat Dissipation Table 19: Product Certifications Table 20: Pin Signals for 1Gbps or 10Gbps Table 21: RJ-45 Style Serial Console Port Pin Signals

10 Tables 10

11 Preface This guide contains the installation instructions for the x550 Series of stackable 10 Gigabit, Layer 3 Ethernet switches. This preface contains the following sections: Document Conventions on page 12 Contacting Allied Telesis on page 13 Note This guide explains how to install the switches in a virtual stack with the Virtual Chassis Stacking (VCStack ) feature. For instructions on how to install the switches as stand-alone units, refer to the x550 Series Installation Guide for Stand-alone Switches. 11

12 Preface Document Conventions This document uses the following conventions: Note Notes provide additional information. Caution Cautions inform you that performing or omitting a specific action may result in equipment damage or loss of data. Warning Warnings inform you that performing or omitting a specific action may result in bodily injury. 12

13 x550 Series Installation Guide for Virtual Chassis Stacking Contacting Allied Telesis If you need assistance with this product, you may contact Allied Telesis technical support by going to the Support & Services section of the Allied Telesis web site at You can find links for the following services on this page: 24/7 Online Support Enter our interactive support center to search for answers to your product questions in our knowledge database, to check support tickets, to learn about RMAs, and to contact Allied Telesis technical experts. USA and EMEA phone support Select the phone number that best fits your location and customer type. Hardware warranty information Learn about Allied Telesis warranties and register your product online. Replacement Services Submit a Return Merchandise Authorization (RMA) request via our interactive support center. Documentation View the most recent installation and user guides, software release notes, white papers, and data sheets for your products. Software Downloads Download the latest software releases for your managed products. For sales or corporate information, go to purchase and select your region. 13

14 Preface 14

15 Chapter 1 Overview This chapter contains the following sections: Front and Rear Panels on page 16 Management Panel on page 18 Features on page 19 1Gbps/10Gbps Twisted Pair Ports on page 22 1Gbps SFP or 10Gbps SFP+ Transceiver Slots on page 23 QSFP+ Transceiver Slots on page 24 eco-friendly Button on page 26 VCStack Feature on page 27 LEDs on page 28 USB Port on page 34 Console Port on page 35 Power Supply on page 36 AlliedWare Plus Releases on page 37 Note This guide explains how to install the switches as a virtual stack with the Virtual Chassis Stacking (VCStack ) feature. For instructions on how to install switches as stand-alone units, refer to the x550 Series Installation Guide for Stand-alone Switches. 15

16 Chapter 1: Overview Front and Rear Panels AT-x550-18XTQ The front panels of the x550 Series switches are shown in Figure 1. 1Gbps or 10Gbps Ports Management Panel 40Gbps QSFP+ Transceiver Slots AT-x550-18XSQ 1Gbps SFP or 10Gbps SFP+ Transceiver Slots Management Panel 40Gbps QSFP+ Transceiver Slots Figure 1. Front Panels of the AT-x550-18XTQ and AT-x550-18XSQ Switches The rear panel of the switches is shown in Figure 2 on page

17 x550 Series Installation Guide for Virtual Chassis Stacking AC Power Supply Connector Figure 2. Back Panel 17

18 Chapter 1: Overview Management Panel Figure 3 identifies the components on the management panel. Console Management Port eco-friendly Button Switch ID LED USB Port Figure 3. Management Panel 18

19 x550 Series Installation Guide for Virtual Chassis Stacking Features The Allied Telesis x550 Series switches are stackable 10 Gigabit, Layer 3 Ethernet switches. The following sections lists the features of the switches: x550 Models Table 1 lists the basic features of the x550 Switches. Table 1. Basic Features Model 1Gbps or 10Gbps Twisted Pair Ports 1GBbps SFP or 10Gbps SFP+ Transceiver Slots 40Gbps QSFP+ Transceiver Slots VCStack AT-x550-18XTQ Yes AT-x550-18XSQ Yes Additional information is listed here: The 40Gbps QSFP+ slots can be used as either regular networking ports or stacking ports with the VCStack feature. When used as regular networking ports the 40Gbps QSFP+ slots support 40Gbps transceivers or breakout cables, which convert the slots into four 10Gbps ports. The switches come with one pre-installed power supply. It is not field-replaceable. 1Gbps/10Gbps Twisted Pair Ports 1Gbps SFP or 10Gbps SFP+ Transceiver Slots The sixteen twisted pair ports on the AT-x550-18XTQ Switch have these features: 1Gbps or 10Gbps operation 100 meters (328 feet) maximum operating distance per port Auto-Negotiation for speed Full-duplex mode only Port Link/Activity (L/A) LEDs The sixteen 1Gbps/10Gbps transceiver slots in the AT-x550-18XSQ Switch support the following types of transceivers: 1Gbps SX/LX SFP transceivers 10Gbps SR/LR SFP+ fiber optic transceivers 10Gbps AT-SP10TW direct connect twinax cables with SFP+ 19

20 Chapter 1: Overview transceiver-style connectors Additional information about the transceiver slots is given here: They do not support 100Mbps transceivers. They support full-duplex mode only. SFP or SFP+ transceivers must be purchased separately. For a list of supported transceivers, refer to the x550 Series product sheet on the Allied Telesis web site. 40Gbps QSFP+ Transceiver Slots The two QSFP+ transceiver slots support the following types of transceivers: AT-QSFPSR4 transceiver - 150m using multi-mode fiber optic cable AT-QSFPLR4 transceiver - 10k with single-mode fiber optic cable AT-QSFP1CU and AT-QSFP3CU direct connect cables in lengths of 1 and 3 meters, respectively AT-QSFP-4SFP10G-3CU and AT-QSFP-4SFP10G-5CU breakout cables in lengths of 3 and 5 meters, respectively Note The QSFP+ slots are initially configured as stacking slots for the VCStack feature. If you plan to use the switch as a stand-alone unit, you can use the slots and transceivers as regular networking ports by disabling the VCStack feature. For instructions, refer to x550 Series Installation Guide for Stand-alone Switches. QSFP+ transceivers must be purchased separately. For a list of supported transceivers, refer to the x550 Series data sheet on the Allied Telesis web site. For instructions on the VCStack feature, refer to the x550 Series Installation Guide for Virtual Chassis Stacking. LEDs Here are the port LEDs: Link/activity LEDs for the 1Gbps/10Gbps twisted pair ports on the AT-x550-18XTQ Switch Link/activity LEDs for the SFP and SFP+ transceiver slots on the AT-x550-18XSQ Switch Link/activity LEDs for the QSFP+ transceiver slots Stack ID number LED eco-friendly button turns off the LEDs to conserve electricity 20

21 x550 Series Installation Guide for Virtual Chassis Stacking Installation Options Management Software and Interfaces Management Methods Here are the installation options for the switches: Desk or tabletop 19-inch equipment rack Wooden or concrete wall Here are the management software and interfaces: AlliedWare Plus Management Software Command line interface Web browser interface Here are the methods for managing the switches: Local management through the Console port Remote Telnet or Secure Shell management Remote HTTP or HTTPS web browser management SNMPv1, v2c, and v3 21

22 Chapter 1: Overview 1Gbps/10Gbps Twisted Pair Ports The specifications of the sixteen twisted pair ports on the AT-x550-18XTQ Switch are listed in Table 2. Table 2. Twisted Pair Ports on the AT-x550-18XTQ Switch State Port Speed Duplex Mode Cabling Maximum Distance Connector Description 1Gbps or 10Gbps You can set port speed with Auto- Negotiation or manually. The default is Auto-Negotiation. Full-duplex only 1Gbps - Standard TIA/EIA 568-Bcompliant Category 6 shielded cabling or better. 10Gbps - Standard TIA/EIA 568-Ccompliant Category 6a shielded cabling or better. 100 meters (328 feet) 8-pin RJ-45 Note The ports must be set to Auto-Negotiation to function at 1000 Mbps and are not compatible with devices that are not IEEE 802.3u compliant. Refer to Table 20 on page 142 for the port pinouts of the twisted pair ports. 22

23 x550 Series Installation Guide for Virtual Chassis Stacking 1Gbps SFP or 10Gbps SFP+ Transceiver Slots The transceiver slots numbered 1 to 16 on the AT-x550-18XSQ Switch support the following types of 1Gbps SFP and 10Gbps SFP+ transceivers: 1Gbps SX/LX SFP transceivers 10Gbps SR/LR fiber optic transceivers 10GBbps AT-SP10TW direct connect twinax cables with SFP+ transceiver-style connectors. The cable comes in lengths of 1, 3, and 7 meters. The model names are AT-SP10TW1, AT-SP10TW3, and AT-SP10TW7, respectively. Here are guidelines for the SFP+ transceiver slots: They do not support 100Mbps-FX transceivers. They support full-duplex mode only. You can set the port speeds with Auto-Negotiation or manually. The default is Auto-Negotiation. SFP or SFP+ transceivers must be purchased separately. For a list of supported transceivers, refer to the x550 Series product sheet on the Allied Telesis web site. 23

24 Chapter 1: Overview QSFP+ Transceiver Slots The switches have two QSFP+ transceiver slots that support the following types of 40Gbps transceivers: AT-QSFPSR4 transceiver - requires 12-strand OM4 fiber optic cable and has a maximum operating distance of 150m (492 ft). AT-QSFPLR4 transceiver - requires single-mode fiber optic cable and has an operating range of 2m (6.6 ft) to 10km (6.2 mi). AT-QSFP1CU and AT-QSFP3CU direct connect cables in lengths of 1 and 3 meters, respectively AT-QSFP-4SFP10G-3CU and AT-QSFP-4SFP10G-5CU breakout cables in lengths of 3 and 5 meters, respectively You can use QSFP+ transceivers as standard networking ports or as stacking ports for the VCStack feature. Note The QSFP+ transceiver slots are initially configured as stacking slots for the VCStack feature. For instructions on how to install the switches as stand-alone units, refer to the x550 Series Installation Guide for Stand-alone Switches. For a list of supported QSFP+ transceivers, refer to the x550 Series product sheet on the Allied Telesis web site. When the switch is operating as a stand-alone device and the VCStack feature is disabled, you can use the QSFP+ transceiver slots with the AT- QSFP-4SFP10G-3CU and AT-QSFP-4SFP10G-5CU breakout cables. Refer to Figure 4. A breakout cable converts a QSFP+ transceiver slot from one 40Gbps port to four 10Gbps ports. Figure 4. QSFP+ to SFP+ Breakout Cable The QSFP+ slots are numbered 17 and 21 on the front panel. Here are the port numbering guidelines: A QSFP+ transceiver in slot 17 has the port number 17. A QSFP+ transceiver in slot 21 has the port number 21. The four 10Gbps transceivers on a breakout cable in slot 17 have 24

25 x550 Series Installation Guide for Virtual Chassis Stacking the port numbers 17, 18, 19, and 20. The four 10Gbps transceivers on a breakout cable in slot 21 have the port numbers 21, 22, 23, and

26 Chapter 1: Overview eco-friendly Button The eco-friendly button on the front panel of the switch is used to toggle the port LEDs on or off. You might turn off the LEDs to conserve electricity when you are not monitoring the device. You can also toggle the LEDs with the ECOFRIENDLY LED and NO ECOFRIENDLY LED commands in the Global Configuration mode of the command line interface of the AlliedWare Plus management software. The switch is said to be operating in a low power mode when the LEDs are turned off. Operating the switch in the low power mode with the LEDs turned off does not interfere with the network operations of the device. The management software on the switch has a command that blinks the LEDs so that you can quickly and easily identify a specific unit among the devices in an equipment rack. It is the FINDME command. The command works on the switch even if you turned off the LEDs with the eco-friendly button or NO ECOFRIENDLY LED command. The Switch ID LED is always on, but it displays different information depending on whether the LEDs are on or off. When the LEDs are on, the ID LED displays the ID number of the switch. When the switch is operating in the low power mode with the LEDs off, the ID LED indicates whether the switch is a stand-alone unit or the master or member switch of a VCStack, as detailed in Figure 10 on page 33. Note Before checking or troubleshooting the network connections to the ports on the switch, you should always check to be sure that the LEDs are on by either pressing the eco-friendly button or issuing the ECOFRIENDLY LED and NO ECOFRIENDLY LED commands in the Global Configuration mode of the command line interface. 26

27 x550 Series Installation Guide for Virtual Chassis Stacking VCStack Feature You can use the switches as stand-alone units or join multiple units together with the VCStack feature. The switches of a VCStack act as a single virtual unit. They synchronize their actions so that switching operations, like spanning tree protocols, virtual LANs, and static port trunks, span across all of the units and ports. Two advantages of stacks are listed here: You can manage multiple units simultaneously, which can simplify network management. You have more flexibility in how you configure some of the features. For instance, a static port trunk on a stand-alone switch can consist of ports from the same switch. In contrast, a static trunk on a stack can have ports from different switches in the same stack. Note This guide explains how to install the switches in a virtual stack with the Virtual Chassis Stacking (VCStack ) feature. For instructions on how to install switches as stand-alone units, refer to the x550 Series Installation Guide for Stand-alone Switches. For more information on VCStack, refer to Chapter 2, Virtual Chassis Stacking on page

28 Chapter 1: Overview LEDs The LEDs are described in the following sections. LEDs for the 1Gbps/10Gbps Twisted Pair Ports The 1Gbps/10Gbps twisted pair ports on the AT-x550-18XTQ Switch have one LED that displays link and activity information. The LED is shown in Figure 5. Top Port LED Bottom Port LED Figure 5. Link and Activity LEDs for the 1Gbps/10Gbps Ports on the ATx550-18XTQ, Switch The states of the link and activity LEDs are described in Table 3. Table 3. Link and Activity LEDs on the 1Gbps/10Gbps Ports on the ATx550-18XTQ Switch State Solid Green Flashing Green Solid Amber Flashing Amber Description The port has established a 10Gbps link to a network device. The port is transmitting or receiving data at 10Gbps. The port has established a 1Gbps link to a network device. The port is transmitting or receiving data at 1Gbps. 28

29 x550 Series Installation Guide for Virtual Chassis Stacking Table 3. Link and Activity LEDs on the 1Gbps/10Gbps Ports on the ATx550-18XTQ Switch (Continued) State Description Off Possible causes of this state are listed here: - The port has not established a link with another network device. - The LEDs are turned off. To turn on the LEDs, use the eco-friendly button. LEDs for the 1Gbps SFP and 10Gbps SFP+ Transceiver Slots The 1Gbps SFP and 10Gbps SFP+ transceiver slots on the AT-x550-18XSQ Switch have one LED. The LEDs are located between the slots. Refer to Figure 6. Top Transceiver Slot LED Bottom Transceiver Slot LED Figure 6. Link and Activity LEDs for the 1Gbps SFP and 10Gbps Slot+ Slots on the AT-x550-18XSQ Switch The LED displays link status and activity. The possible LED states are described in Table 4. Table 4. Link and Activity Status LEDs on the 1Gbps and 10Gbps Ports on the AT-x550-18XTQ Switch Solid Green State Flashing Green Description The transceiver has established a 10Gbps link to a network device. The transceiver is transmitting or receiving data in 10Gbps. 29

30 Chapter 1: Overview Table 4. Link and Activity Status LEDs on the 1Gbps and 10Gbps Ports on the AT-x550-18XTQ Switch (Continued) State Solid Amber Flashing Amber Off Description The transceiver has established a 1Gbps link to a network device. The transceiver is transmitting or receiving data in 1Gbps. Possible causes of this state are listed here: - The slot is empty. - The transceiver has not established a link to a network device. - The LEDs are turned off. To turn on the LEDs, use the eco-friendly button. LEDs for the 40Gbps QSFP+ Transceiver Slots The 40Gbps QSFP+ transceiver slots on the switch have one LED. The LEDs are located between the slots. Refer to Figure 7. Top Transceiver Slot LED Bottom Transceiver Slot LED Figure 7. LEDs for the 40Gbps QSFP+ Slots The LED displays link and activity status. The LED states when the slots have QSFP+ transceivers are described in Table 5 on page

31 x550 Series Installation Guide for Virtual Chassis Stacking Table 5. Link and Activity Status LEDs for the 40Gbps QSFP+ Transceiver Slots with QSFP+ Transceivers State Solid Green Flashing Green Off Description The transceiver has established a 40Gbps link to a network device. The transceiver is transmitting or receiving data. Possible causes of this state are listed here: - The slot is empty. - The transceiver has not established a link to a network device. - The LEDs are turned off. To turn on the LEDs, use the eco-friendly button. The L:ED states when the QSFP+ slots contain breakout cables are described in Table 6 on page 31. Table 6. Link and Activity Status LEDs for the 40Gbps QSFP+ Transceiver Slots with Breakout Cables State Solid Green Flashing Green Off Description At least one of the four ports on the breakout cable has established a 10Gbps link to a network device. At least one of the four ports on the breakout cable is sending or receiving data. Possible causes of this state are listed here: - The slot is empty. - None of the ports on the breakout cable have established a link to a network device. - The LEDs are turned off. To turn on the LEDs, use the eco-friendly button. 31

32 Chapter 1: Overview Switch ID LED The Switch ID LED, shown in Figure 8, displays the ID number of the switch. A stand-alone switch has the ID number 0. Switches in a VCStack have the numbers 1 to 4. The procedures in Chapter 8, Powering On and Verifying the Stack on page 121 explain you can control the assignments of the ID numbers when you power on the stack for the first time. Switch ID LED Figure 8. Switch ID LED The states of the LED when the switch is not operating in the low power mode are shown in Figure 9. The switch is booting up. The switch has encountered a fault condition. The switch is operating as a stand-alone unit, with the ID number 0. The switch has an ID number of 1 to 4 as part of a VCStack. The dot in the lower right corner flashes when the switch accesses USB memory. Figure 9. Switch ID LED The switch displays the letter F for fault on the ID LED if it detects one of the following problems: A cooling fan has failed. 32

33 x550 Series Installation Guide for Virtual Chassis Stacking The internal temperature of the switch has exceeded the normal operating range and the switch may shut down. Note You can use the SHOW SYSTEM ENVIRONMENT command in the command line interface to identify the source of the problem. The states of the LED when the switch is operating in the low power mode are shown in Figure 10. The switch is the master switch of a VCStack. The switch is operating as a stand-alone unit. The switch is a member switch of a VCStack. Figure 10. Switch ID LEDs in Low Power Mode 33

34 Chapter 1: Overview USB Port The management panel has a USB port. You may use the port to store configuration files on flash drives or to restore configuration files to switches whose settings have been lost or corrupted, or to quickly configure replacement units. You may also use the port and flash drives to update the management firmware on the switch. The port is USB2.0 compatible. 34

35 x550 Series Installation Guide for Virtual Chassis Stacking Console Port The Console port is an RS232 serial management port. You use the port to access the AlliedWare Plus management software on the switch to configure the feature settings or monitor status or statistics. This type of management is commonly referred to as local management because you have to be at the physical location of the switch and use the management cable included with the unit. The switch does not have to have an IP address for local management. To establish a local management session with the switch, you use the provided management cable to connect a terminal or a personal computer with a terminal emulation program to the Console port, which has an RJ- 45 style (8P8C) connector. The cable has RJ-45 style (8P8C) and DB-9 (D-sub 9-pin) connectors. The Console port has the following settings: Default baud rate: 9600 bps (Range is 9600 to bps) Data bits: 8 Parity: None Stop bits: 1 Flow control: None Note These settings are for a DEC VT100 or ANSI terminal, or an equivalent terminal emulation program. 35

36 Chapter 1: Overview Power Supply The switch comes with a pre-installed power supply. Refer to Technical Specifications on page 137 for the input voltage ranges. Warning Power cord is used as a disconnection device. To de-energize equipment, disconnect the power cord. E3 Note The power supply is not field-replaceable. 36

37 x550 Series Installation Guide for Virtual Chassis Stacking AlliedWare Plus Releases Table 7 lists the main differences between the releases of the AlliedWare Plus management software for the AT-x550-18XTQ and AT-x550-18XSQ Switches. Table 7. AlliedWare Plus Versions Version Feature VCStack v5.4.7a-0 v Maximum number of switches in a VCStack Stack trunk Maximum number of switches in a VCStack Stack trunk Two switches QSFP+ transceivers in transceiver slots 17 and 21 (S3 and S4) Four switches QSFP+ transceivers in transceiver slots 17 and 21 (S3 and S4) or 10Gbps ports 15 and 16 (S1 and S2) 37

38 Chapter 1: Overview 38

39 Chapter 2 Virtual Chassis Stacking The sections in this chapter are listed here: Overview on page 40 Stacking Guidelines on page 41 Planning the Stack on page 43 Stack Trunk on page 45 Master and Member Switches on page 48 Switch ID Numbers on page 50 Optional Feature Licenses on page 51 Note For more information on VCStack, refer to the Stacking Introduction and Stacking Commands chapters in the Software Reference for x550 Series Switches, AlliedWare Operating System from 39

40 Chapter 2: Virtual Chassis Stacking Overview The Virtual Chassis Stacking (VCStack) feature allows you to connect together multiple x550 Series switches so that they function as a single networking unit. Some of the benefits of the VCStack feature are listed here: Simplifies management - You can manage the devices of the stack as a single unit, rather than individually. Your local and remote management sessions automatically give you management access to all the switches in the stack. Reduces IP addresses - A stack requires only one IP address for remote management access, thereby reducing the number of IP addresses you have to assign to network devices. Adds feature flexibility and resiliency - A stack gives you more flexibility in the available configurations of features. For instance, you can create port aggregators of ports from different switches in the stack, rather than from only one switch. If you distribute the ports of an aggregator across two or more switches in a stack, you increase its resiliency because the aggregator continues to function, though at a reduced bandwidth, if one of the switches stops functioning. Reduces protocol requirements - Building a stack might eliminate your need to configure some protocols, such as the Virtual Router Redundancy Protocol or Spanning Tree Protocol. 40

41 x550 Series Installation Guide for Virtual Chassis Stacking Stacking Guidelines This section lists guidelines to building a VCStack of x550 Switches. There are different stacking guidelines depending on the version of the AlliedWare Plus management software on the switches. (Instructions in Viewing the AlliedWare Plus Version Number, Feature Licenses, and Stacking Ports on page 100 explain how to display the version numbers of the management software on the units.) Here are general stacking guidelines that apply regardless of the AlliedWare Plus version number: Stacking is enabled by default on x550 Series switches. No additional software or licenses are required for stacking. The switches of a stack can be the same or different x550 Series models. A stack of x550 Series switches may not contain other stacking switches, such as x600 or x610 Series switches. The switches of a stack must be connected together with a stack trunk consisting of two ports or transceiver slots on each switch. You may not install a networking device, such as a media converter or Ethernet switch, between two stacking ports or transceivers. Any x550 Series switch model can be the master switch of a stack. Here are stacking guidelines that apply to AlliedWare Plus v5.4.7a-0 management software: A stack can have two x550 Series switches. You must use the 40Gbps QSFP+ transceiver slots 17 and 21 (S3 and S4) for the stack trunk. The 40Gbps QSFP+ transceivers for the stack trunk must be from Allied Telesis. The switches will not form a stack with transceivers from other network equipment providers. For a list of supported transceivers, refer to QSFP+ Transceiver Slots on page 24 or the product s data sheet on the Allied Telesis web site. Here are stacking guidelines that apply to AlliedWare Plus v and later management software: A stack can have up to four x550 Series switches. You can use either the 10Gbps ports 15 and 16 (S1 and S2) or the 40Gbps QSFP+ transceiver slots 17 and 21 (S3 and S4) for the stack trunk. The 40Gbps QSFP+ are the default stack trunk. If you are using 10Gbps SFP+ transceivers or 40Gbps QSFP+ for 41

42 Chapter 2: Virtual Chassis Stacking the stack trunk, they must be from Allied Telesis. The switches will not form a stack with transceivers from other network equipment providers. For a list of supported transceivers, refer to the product s data sheet on the Allied Telesis web site. You may use Allied Telesis AT-QSFPCU 40Gbps or AT-SP10TW 10 Gbps direct connect cables for the stack trunk if the switches are in the same equipment rack or wiring room. 42

43 x550 Series Installation Guide for Virtual Chassis Stacking Planning the Stack Here are several factors to consider when planning a switch stack: Knowing the version number of the AlliedWare Plus management software on the switches is important because the versions have different stacking capabilities. Version v5.4.7a-0, which is the initial release of the management software for x550 Series switches, supports stacks of up to two switches and stack trunks of the 40Gbps QSFP+ transceivers in transceiver slots 17 and 21 (S3 and S4). In contrast, version or later supports stacks up to four switches. Furthermore, you can use either 10Gbps ports 15 and 16 (S1 and S2) or the two 40Gbps transceiver slots for the stack trunk. To build a stack with different models of x550 Series switches, you have to use the QSFP+ transceiver slots for the stack trunk, even if the switches have v or later of the management software. You cannot use 10Gbps ports. For example, to build a stack of two AT-x550-18XTQ switches and two AT-x550-18XSQ Switches, you have to use the 40Gbps transceiver slots. If you are using the 40Gbps transceiver slots for the stack trunk and the switches are in the same equipment rack or are closely adjacent to each other, you can use AT-QSFP1CU or AT- QSFP3CU direct connect cables in lengths of 1 and 3 meters, respectively, for the stacking cables. If the switches are further apart, use AT-QSFPSR4 or AT-QSFPLR4 transceivers, with maximum distances of 150m (492 ft) and 10km (6.2 mi), respectively. If you are building a stack of AT-x550-18XSQ Switches and are using 10Gbps ports 15 and 16 (S1 and S2) for the stack trunk, you can use AT-SP10TW direct connect twinax cables as the stacking cables if the devices are physically close to each other, such as in the same equipment rack or adjacent racks. The cables comes in lengths of 1, 3, and 7 meters. The model names are AT-SP10TW1, AT-SP10TW3, and AT-SP10TW7, respectively. If you are building a stack of AT-x550-18XTQ Switches and are using 10Gbps ports 15 and 16 (S1 and S2) for the stack trunk, the switches of the stack cannot be more than 100 meters (328 feet) apart. A stack has a master switch. This device has several responsibilities, one of which is to determine whether the versions of the AlliedWare Plus management software on the other switches are the same as its version. The master switch checks this each time you power on or reset the stack. If it determines there are one or more switches in the stack that do not have the same as its version, it automatically downloads its version to switches that 43

44 Chapter 2: Virtual Chassis Stacking have different versions, even to switches with newer versions. If you are building a stack where some switches have AlliedWare Plus v5.4.7a-0 and others v or later, you have to use the QSFP+ transceiver slots as the stacking ports and you need to sure that a switch with the most recent firmware becomes the master switch when the stack is initially powered on. Otherwise, the switches will not form the stack. Instructions in Powering On the Switches Sequentially on page 122 explain how to control which switch initially becomes the master switch of a stack. 44

45 x550 Series Installation Guide for Virtual Chassis Stacking Stack Trunk The switches of a stack are connected together with a stack trunk of two ports or transceivers on each device. For switches with AlliedWare Plus v5.4.7a-0, you must use the QSFP+ transceiver slots 17 and 21 (S3 and S4) as the stack trunk. Listed here are 40Gbps QSFP+ for the stack trunk: AT-QSFPSR4 transceiver - requires 12-strand OM4 fiber optic cable and has a maximum operating distance of 150m (492 ft). AT-QSFPLR4 transceiver - requires single-mode fiber optic cable and has an operating range of 2m (6.6 ft) to 10km (6.2 mi). AT-QSFP1CU and AT-QSFP3CU direct connect cables in lengths of 1 and 3m, respectively Stack trunks on switches with AlliedWare Plus v or later can use either 10Gbps ports 15 and 16 (S1 and S2) or the two QSFP+ transceiver slots. Ports 15 and 16 are twisted pair ports on AT-x550-18XTQ Switches and SFP+ transceiver slots on AT-x550-18XSQ Switches. Here are guidelines to using 10Gbps ports 15 and 16 as the stack trunk: The switches in the stack must be the same model. You cannot use ports 15 and 16 (S1 and S2) for the stack trunk when a stack has both AT-x550-18XTQ and AT-x550-18XSQ Switches. Instead, you have to use the 40Gbps transceiver slots as the trunk. A stack trunk must have two ports per switch. It cannot have only one port or more than two ports. The cables of a stack trunk must crossover to different ports on the switches. The connections of the QSFP+ transceivers in slots 17 and 21 in the two switches of a stack must cross over. The transceiver in slot 17 in one switch has to connect to the transceiver in slot 21 in the other switch. Examples of stacks of two, three, and four switches are illustrated in Figure 11 on page 46 and Figure 12 on page 47. Caution The switches will not form the stack if the connections do not cross over. They will instead operate as stand-alone devices. E78 Note Transceivers must be purchased separately. 45

46 Chapter 2: Virtual Chassis Stacking Stack of Two Switches Stack of Four Switches Stack of Three Switches Figure 11. Stack Trunks of 40Gbps Transceiver Slots 17 and 21 (S3 and S4) 46

47 x550 Series Installation Guide for Virtual Chassis Stacking Stack of Two Switch Stack of Four Switches Stack of Three Switch Figure 12. Stack Trunks of 10Gbps Ports 15 and 16 (S1 and S2) 47

48 Chapter 2: Virtual Chassis Stacking Master and Member Switches A stack has one master switch. The other switches are referred to as member switches. The main functions of the master switch are listed here: Coordinate and monitor stack operations. Configure the parameter settings of the switches using its configuration file in flash memory, whenever the stack is reset or powered on. Verify that the switches are using the same version of management software. It automatically downloads its management software to the member switch over the stacking cables if the member switch has a different version of the management software. Verify that the switches have different ID numbers. It automatically assigns new ID numbers to resolve situations where two or more switches have the same ID number. Verify that the stacking transceivers are from Allied Telesis and they are cabled correctly. The parameter settings of the switches of the stack are stored in configuration files in the flash memories of the master and member switches. Each file contains all the settings for the switches in the stack. The switches update the files with the latest parameter settings whenever you issue the WRITE command to save your changes. When you reset or power on the stack, the master switch uses the configuration file in its flash memory to restore its own parameter settings as well as the parameter settings of the member switch in the stack. A member switch uses its configuration file to restore parameter settings only if the master switch is removed or fails, and it becomes the new master switch of the stack. Selection of the Master Switch The switches of a stack select the master switch during the initialization process, which they perform whenever they are powered on or reset. The master switch is selected using the following parameters: Stack priority numbers MAC addresses The stack priority number is an adjustable value of 0 to 255. The lower the number, the higher the priority. The switch with the lowest priority number (highest priority) becomes the master switch of a stack. The default priority value is 128. When switches have the same priority values, they compare their MAC addresses to select the master switch. As with the priority value, the lower 48

49 x550 Series Installation Guide for Virtual Chassis Stacking the MAC address, the higher the priority. The switch with the lowest MAC address becomes the master switch. If you power on the stack for the first time without adjusting the priority values, the master switch is selected based on the MAC addresses if the units are powered on simultaneously. If you power on the switches one at a time, the master switch is the first switch to be powered on. This is explained in Chapter 8, Powering On and Verifying the Stack on page 121. You can set the priority values of the switches either before or after you build the stack. Changing the values after the stack is operating does not change the parameter settings of the stack or the ID numbers of the devices. It should be noted that the master switch of a stack does not have to have the ID number 1. The master switch can have any ID number. 49

50 Chapter 2: Virtual Chassis Stacking Switch ID Numbers Each switch in a stack must have a unique ID number. The possible ID numbers depend on the version number of the AlliedWare Plus management software. The ID numbers are 1 and 2 for the two switches in a stack with AlliedWare Plus v5.4.7a-0, and 1 to 4 for the four switches in a stack with AlliedWare Plus v or later. The default is 1. The ID numbers are displayed on the ID LEDs on the front panels of the units. You may assign the numbers yourself or let the master switch assign the numbers automatically when you initially power on the stack, as explained in Chapter 8, Powering On and Verifying the Stack on page 121. You use the ID numbers to identify the individual switches and ports when configuring the devices with the commands in the management software. For further information, refer to Specifying Ports in the Command Line Interface for Stacks on page 132. The ID numbers are also used to identify the parameter settings of the switches in the configuration files. When the stack is reset or power cycled, the master switch uses the ID numbers to identify the devices to which the parameter settings belong. Caution You should not change the ID numbers of the switches after configuring the parameter settings. Otherwise, the parameter settings might be applied to the wrong devices when you reset or power cycle the stack. E79 The switches do not use the ID numbers to select the master switch. The selection of the master switch is based on the priority numbers and MAC addresses, as previously explained. 50

51 x550 Series Installation Guide for Virtual Chassis Stacking Optional Feature Licenses The x550 Series switches comes with the AlliedWare Plus operating system and a base set of features that are available as soon as you install the devices. Allied Telesis offers additional features and capabilities for the switches. The features come with the AlliedWare Plus operating system, but they have to be unlocked before you can use them. The features are unlocked with feature licenses from Allied Telesis. For a list of optional feature licenses for this product, refer to its product sheet on the Allied Telesis web site. Here are the guidelines to feature licenses for a stack of x550 Series switches: The VCStack feature is part of the base features of the switch. It does not require an additional feature license. You may install feature licenses while the switches are operating as stand-alone units or as a stack. When ordering feature licenses for the switches of a stack, you must order one license for each switch. The switches will form a stack even if they have different feature licenses. However, the additional features are only available on those switches that have the necessary licenses. The stack generates a warning message if it detects that the switches do not have the same feature licenses. To resolve the issue, you can use the ATMF REMOTE-LOGIN command to log onto the individual switches in a stack to install licenses. For more information, refer to the Software Reference for x550 Series Switches, AlliedWare Operating System from 51

52 Chapter 2: Virtual Chassis Stacking 52

53 Chapter 3 Beginning the Installation The chapter contains the following sections: Reviewing Safety Precautions on page 54 Choosing a Site for the Switch on page 58 Unpacking the Switch on page 59 53

54 Chapter 3: Beginning the Installation Reviewing Safety Precautions Please review the following safety precautions before beginning the installation procedure. Note Safety statements that have the symbol are translated into multiple languages in the Translated Safety Statements document at Warning Class 1 Laser product. L1 Warning Laser Radiation. Class 1M Laser product. Warning Do not stare into the laser beam. L2 Warning Do not look directly at the fiber optic ends or inspect the cable ends with an optical lens. L6 Warning To prevent electric shock, do not remove the cover. No userserviceable parts inside. This unit contains hazardous voltages and should only be opened by a trained and qualified technician. To avoid the possibility of electric shock, disconnect electric power to the product before connecting or disconnecting the LAN cables. E1 Warning Do not work on equipment or cables during periods of lightning activity. E2 54

55 x550 Series Installation Guide for Virtual Chassis Stacking Warning Power cord is used as a disconnection device. To de-energize equipment, disconnect the power cord. E3 Warning Class I Equipment. This equipment must be earthed. The power plug must be connected to a properly wired earth ground socket outlet. An improperly wired socket outlet could place hazardous voltages on accessible metal parts. E4 Note Pluggable Equipment. The socket outlet shall be installed near the equipment and shall be easily accessible. E5 Caution Air vents must not be blocked and must have free access to the room ambient air for cooling. E6 Warning Operating Temperatures. This product is designed for a maximum ambient temperature of 45 degrees C. E52 Note All Countries: Install product in accordance with local and National Electrical Codes. E8 Warning Only trained and qualified personnel are allowed to install or replace this equipment. E14 Caution Circuit Overloading: Consideration should be given to the connection of the equipment to the supply circuit and the effect that overloading of circuits might have on overcurrent protection and supply wiring. Appropriate consideration of equipment nameplate ratings should be used when addressing this concern. E21 55

56 Chapter 3: Beginning the Installation Caution Risk of explosion if battery is replaced by an incorrect type. Replace only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer s instructions. Attention: Le remplacement de la batterie par une batterie de type incorrect peut provoquer un danger d explosion. La remplacer uniquement par une batterie du même type ou de type équivalent recommandée par le constructeur. Les batteries doivent être éliminées conformément aux instructions du constructeur. E22 Warning Mounting of the equipment in the rack should be such that a hazardous condition is not created due to uneven mechanical loading. E25 Warning The chassis may be heavy and awkward to lift. Allied Telesis recommends that you get assistance when mounting the chassis in an equipment rack. E28 Note Use dedicated power circuits or power conditioners to supply reliable electrical power to the device. E27 Warning This unit might have more than one power cord. To reduce the risk of electric shock, disconnect all power cords before servicing the unit. E30 Note If installed in a closed or multi-unit rack assembly, the operating ambient temperature of the rack environment may be greater than the room ambient temperature. Therefore, consideration should be given to installing the equipment in an environment compatible with the manufacturer s maximum rated ambient temperature (Tmra). E35 56

57 x550 Series Installation Guide for Virtual Chassis Stacking Caution Installation of the equipment in a rack should be such that the amount of air flow required for safe operation of the equipment is not compromised. E36 Warning Reliable earthing of rack-mounted equipment should be maintained. Particular attention should be given to supply connections other than direct connections to the branch circuits (e.g., use of power strips). E37 Warning This product may have multiple AC power cords installed. To deenergize this equipment, disconnect all power cords from the device. E41 Caution An Energy Hazard exists inside this equipment. Do not insert hands or tools into open chassis slots or plugs. E44 Warning This equipment shall be installed in a Restricted Access location. E45 Caution The unit does not contain serviceable components. Please return damaged units for servicing. E42 Warning The temperature of an operational SFP or SFP+ transceiver may exceed 70 C (158 F). Exercise caution when removing or handling a transceiver with unprotected hands. E43 57

58 Chapter 3: Beginning the Installation Choosing a Site for the Switch Observe these requirements when planning the installation of the switch. If you plan to install the switch in an equipment rack, check that the rack is safely secured so that it will not tip over. Devices in a rack should be installed starting at the bottom, with the heavier devices near the bottom of the rack. If you plan to install the switch on a table, check that the table is level and stable. The power outlet should be located near the switch and be easily accessible. The site should allow for easy access to the ports on the front of the switch, so that you can easily connect and disconnect cables, and view the port LEDs. The site should allow for adequate air flow around the unit and through the cooling vents on the front and rear panels. (The ventilation direction is from front to back.) The site should not expose the switch to moisture or water. The site should be a dust-free environment. The site should include dedicated power circuits or power conditioners to supply reliable electrical power to the network devices. Do not install the switch in a wiring or utility box because it might overheat and fail from inadequate airflow. Warning Switches should not be stacked on a table or desktop. They could present a physical safety hazard if you need to move or replace switches. E91 58

59 x550 Series Installation Guide for Virtual Chassis Stacking Unpacking the Switch Figure 13 shows the shipping box for the switch. A B C Figure 13. AT-x550-18XTQ or AT-x550-18XSQ Switch Shipping Box The items in the box are listed here: A - Protective bag B - AT-x550 Switch C - Accessory kit Note You should retain the original packaging material in case you need to return the unit to Allied Telesis. 59

60 Chapter 3: Beginning the Installation Figure 14 here and Figure 15 on page 61 list the items in the accessory kit that comes with the switch. Contact your Allied Telesis sales representative for assistance if any item is missing or damaged. One 2m (6.6 ft) local management cable with RJ-45 (8P8C) and DB-9 (Dsub 9-pin) connectors. One regional AC power cord Four AT-RKMT-J24 wallmounting brackets Sixteen screws for attaching the AT- RKMT-J24 wall brackets to the switch. Length: 6.0mm (0.2 in.) Diameter: 4.0mm (0.2 in.) Four anchors for concrete walls: Length: 29.6mm (1.2 in.) Diameter: 6.0mm (0.2 in.) Four screws for wood or concrete walls: Length: 32mm (1.3 in.) Diameter: 4mm (0.2 in.) Power cord retaining clip Figure 14. Accessory Kit 60

61 x550 Series Installation Guide for Virtual Chassis Stacking Two AT-RKMT-J14 equipment rack brackets Two handles for the AT-RKMT- J14 equipment rack brackets Four screws for attaching the handles to the equipment rack brackets: Length: 6.0mm (0.2 in.) Diameter: 4.0mm (0.2 in.) Figure 15. Accessory Kit (Continued) 61

62 Chapter 3: Beginning the Installation 62

63 Chapter 4 Installing the Switch on a Table or in an Equipment Rack This chapter contains the instructions for installing the switch on a table or in an equipment rack. The procedures in this chapter are listed here: Installing the Switch on a Table or Desktop on page 64 Overview of Installing the Switch in an Equipment Rack on page 65 Installing the Switch in an Equipment Rack with the AT-RKMT-J14 Brackets on page 67 Installing the Switch in an Equipment Rack with the AT-RKMT-J15 Bracket on page 72 63

64 Chapter 4: Installing the Switch on a Table or in an Equipment Rack Installing the Switch on a Table or Desktop This section contains the procedure for installing the switch on a table. Note The rubber feet on the bottom of the chassis should be left on for table installation. Warning Switches should not be stacked on a table or desktop. They could present a physical safety hazard if you need to move or replace switches. E91 To install the chassis on a table, perform the following procedure: 1. Review the procedure in Chapter 3, Choosing a Site for the Switch on page 58to verify that the selected site is suitable for the unit. 2. Check to be sure that the table is strong enough to support the weight of the switch. 3. Lift the chassis onto the table. 4. Check to be sure that all of the appropriate components are included in the shipping container. Refer to Unpacking the Switch on page 59. After placing the switch on the table or desktop, go to Chapter 6, Configuring Switches for Stacking on page

65 x550 Series Installation Guide for Virtual Chassis Stacking Overview of Installing the Switch in an Equipment Rack You can install the switch in a 19-inch equipment rack two ways. One way is with the two AT-RKMT-J14 brackets that come with the switch. Refer to Figure 16. Figure 16. AT-RKMT-J14 Brackets and Switch For installation instructions, refer to Installing the Switch in an Equipment Rack with the AT-RKMT-J14 Brackets on page 67 You can also install the switch in an equipment rack with the optional AT- RKMT-J15 bracket. Refer to Figure 17. Figure 17. AT-RKMT-J15 Bracket 65

66 Chapter 4: Installing the Switch on a Table or in an Equipment Rack The bracket lets you install two switches side-by-side. Refer to Figure 18. Figure 18. AT-RKMT-J15 Bracket with Switches Note The AT-RKMT-J15 Bracket is purchased separately. For installation instructions refer to Installing the Switch in an Equipment Rack with the AT-RKMT-J15 Bracket on page 72 66

67 x550 Series Installation Guide for Virtual Chassis Stacking Installing the Switch in an Equipment Rack with the AT-RKMT-J14 Brackets This section contains the procedure for installing the switch in a standard 19-inch equipment rack, with the two AT-RKMT-J14 Brackets included with the switch. Required Items for the AT- RKMT-J14 Brackets Switch Orientations in the Equipment Rack The following items are required to install the switch in an equipment rack with the AT-RKMT-J14 Brackets: Two AT-RKMT-J14 equipment rack brackets (included with the switch) Eight M4x6mm bracket screws (included with the switch) Four M3x6mm screws (included with the switch) Two bracket handles (included with the switch) Cross-head screwdriver (not provided) Four standard equipment rack screws (not provided) The switch has two sets of four screw holes on the left and right sides, for attaching the AT-RKMT-J14 Brackets. Refer to Figure 19. Bracket Holes Figure 19. Bracket Holes The brackets also have two sets of four holes. Refer to Figure 20 on page

68 Chapter 4: Installing the Switch on a Table or in an Equipment Rack Set 1 Set 2 Figure 20. AT-RKMT-J14 Bracket Holes You can use the different sets of holes on the switch and brackets to install the switch in the equipment rack in a variety of orientations. You can install it with the front panel flush with, extending in front of, or recessed behind the front of the equipment rack. The illustrations in Figure 21 show the switch orientations with the front panel facing the front of the equipment rack. Figure 21. Switch Orientations with the Front Panel Facing the Front of the Equipment Rack 68

69 x550 Series Installation Guide for Virtual Chassis Stacking You can also orient the switch with the rear panel facing the front of the equipment rack. Refer to Figure 22. Figure 22. Switch Orientations with the Rear Panel Facing the Front of the Equipment Rack Installing the Switch with the AT-RKMT-J14 Brackets If you have not chosen an orientation for the switch in the equipment rack, review Switch Orientations in the Equipment Rack on page 67. Please review the installation guidelines in Choosing a Site for the Switch on page 58 before installing the switch in an equipment rack. Caution The chassis may be heavy and awkward to lift. Allied Telesis recommends that you get assistance when mounting the chassis in an equipment rack. E28 To install the switch in a 19-inch equipment rack with the AT-RKMT-J14 Brackets, perform the following procedure: 1. Attach the two handles to the AT-RKMT-J14 Brackets using the four M3x6mm screws included with the switch. Refer to Figure 23 on page

70 Chapter 4: Installing the Switch on a Table or in an Equipment Rack Figure 23. Attaching the Handles to the AT-RKMT-J14 Brackets 2. Place the switch on a level, secure surface. 3. Attach the two brackets to the sides of the switch in the selected position, using the eight M4x6mm screws included with the unit. The illustration in Figure 24 shows the installation of the brackets such that the front panel of the switch is even with the front of the equipment rack. Figure 24. Attaching the AT-RKMT-J14 Brackets to the Switch 70

71 x550 Series Installation Guide for Virtual Chassis Stacking 4. Have another person hold the switch in the equipment rack at the desired location while you secure it using four standard equipment rack screws (not provided). Refer to Figure 25. Figure 25. Installing the Switch in an Equipment Rack 5. Go to Chapter 6, Configuring Switches for Stacking on page

72 Chapter 4: Installing the Switch on a Table or in an Equipment Rack Installing the Switch in an Equipment Rack with the AT-RKMT-J15 Bracket This section contains the procedure for installing the switch in a standard 19-inch equipment rack, with the optional AT-RKMT-J15 Bracket. Required Items for the AT- RKMT-J15 Bracket Installing the Switch with the AT-RKMT-J15 Bracket The following items are required to install the switch in an equipment rack with the AT-RKMT-J15 Bracket: One AT-RKMT-J15 equipment rack bracket (sold separately) Four M4x6mm bracket screws (included with the switch) Cross-head screwdriver (not provided) Flat-head screwdriver (not provided) Four standard equipment rack screws (not provided) To install the switch in a 19-inch equipment rack with the AT-RKMT-J15 Bracket, perform the following procedure: 1. Have another person hold the AT-RKMT-J15 Bracket at the desired location in the equipment rack while you secure it using four standard equipment rack screws (not provided). Refer to Figure 26. Figure 26. Installing the AT-RKMT-J15 Bracket in the Equipment Rack 72

73 x550 Series Installation Guide for Virtual Chassis Stacking 2. Loosen the two thumbscrews on the front of the bracket. Refer to Figure 27. Figure 27. Loosening the Two Thumbscrews on the Front of the AT- RKMT-J15 Bracket 3. Slide out the bracket tray. Refer to Figure 28. Figure 28. Sliding Out the Tray from the AT-RKMT-J15 73

74 Chapter 4: Installing the Switch on a Table or in an Equipment Rack Note Steps 4 to 6 remove the plastic feet from the bottom of the switch. You must remove the plastic feet to install the switch in the AT- RKMT-J15 Bracket. 4. Place the switch upside-down on a table. 5. Use a small flat-head screwdriver to pry the four plastic feet from the bottom of the switch. Refer to Figure 29. Figure 29. Removing the Plastic Feet from the Bottom Panel of the Switch 6. Turn the switch over so that it is right-side up. 7. Place the switch in the left or right side of the bracket, with its front panel facing the front of the bracket. If you are installing only one switch, you may install it on either the left or right side. Refer to Figure 30 on page

75 x550 Series Installation Guide for Virtual Chassis Stacking Figure 30. Placing a Switch in the AT-RKMT-J15 Bracket 8. Install two M4x6mm screws included with the switch to secure the switch to the bracket. Refer to Figure 31. Figure 31. Securing the Switch to the AT-RKMT-J15 Bracket 9. To install a second switch in the bracket, repeat steps 4 to 8. 75

76 Chapter 4: Installing the Switch on a Table or in an Equipment Rack 10. Slide in the bracket tray. Refer to Figure 32. Figure 32. Sliding in the Bracket Tray 11. Tighten the two thumbscrews to secure the tray to the bracket. Refer to Figure 33 on page

77 x550 Series Installation Guide for Virtual Chassis Stacking Figure 33. Tightening the Two Thumbscrews on the AT-RKMT-J15 Bracket 12. Go to Chapter 6, Configuring Switches for Stacking on page

78 Chapter 4: Installing the Switch on a Table or in an Equipment Rack 78

79 Chapter 5 Installing the Switch on a Wall The procedures in this chapter are listed here: Switch Orientations on a Wall on page 80 Installation Guidelines on page 81 Plywood Base for a Wall with Wooden Studs on page 83 Installing a Plywood Base on page 85 Installing the Switch on a Plywood Base on page 86 Installing the Switch on a Concrete Wall on page 89 79

80 Chapter 5: Installing the Switch on a Wall Switch Orientations on a Wall You can install the switch on a wall with the front panel on the left or right, as shown in Figure 34. You should not install it with the front panel on the top or bottom. Front Panel Front Panel Figure 34. Positions of the Switch on the Wall The two wall mounting brackets should be installed diagonally across from each other, with the front bracket above the chassis and the rear bracket below it. 80

81 x550 Series Installation Guide for Virtual Chassis Stacking Installation Guidelines Here are the guidelines to installing the switch on a wall: You may install the switch on a wall that has wooden studs or on a concrete wall. If you are installing the switch on a wall with wooden studs, you should use a plywood base to support the switch. For more information, refer to Plywood Base for a Wall with Wooden Studs on page 83. A plywood base is not required for a concrete wall. You should not install the switch on a wall that has metal studs. Metal studs may not be strong enough to safely support the device. You should not install the switch only on sheetrock or similar material. Sheetrock is not strong enough to safely support the device. Warning The device is heavy. Always ask for assistance before moving or lifting it to avoid injuring yourself or damaging the equipment. Warning The device should be installed on the wall by a qualified building contractor. Serious injury to yourself or others or damage to the equipment may result if it is not properly fastened to the wall. E105 Tools and Material Here are the required tools and material for installing the switch on a wall: Four AT-BRKT-J24 wall brackets (included with the switch) Sixteen screws (included with the switch) to attach the AT-BRKT- J24 brackets to the switch. Four wall screws (included with the switch) Four anchors for a concrete wall (included with the switch) Cross-head screwdriver (not provided) Stud finder for a wooden wall, capable of identifying the middle of wall studs and hot electrical wiring (not provided) Drill and 1/4 carbide drill bit for a concrete wall (not provided) Plywood base if you are installing the switch on a wall with wooden studs (not provided.) Refer to Plywood Base for a Wall with Wooden Studs on page 83 for illustrations. Four screws for attaching the plywood base to the wall (not 81

82 Chapter 5: Installing the Switch on a Wall provided) Caution The supplied screws and anchors might not be appropriate for all walls. A qualified building contractor should determine the hardware requirements for your wall prior to installing the switch. E88 82

83 x550 Series Installation Guide for Virtual Chassis Stacking Plywood Base for a Wall with Wooden Studs If you are installing the switch on a wall that has wooden studs, Allied Telesis recommends using a plywood base to attach the device to it. (A plywood base is not required for a concrete wall.) Refer to Figure 35. Wall Studs Wall Plywood Base Figure 35. Switch on the Wall with a Plywood Base The plywood base allows you to mount the switch on two wall studs. The standard distance between two studs in a wall is 41 centimeters (16 83

84 Chapter 5: Installing the Switch on a Wall inches) while the distance between the front and rear brackets on the switch is 34.4 centimeters (13,6 inches). If you install the switch without the base, only two brackets on the switch would be on a wall stud. The recommended minimum dimensions of the plywood base are listed here: Width: 55.9 centimeters (22 inches) Height:35.6 centimeters (14 inches) Thickness: 5.1 centimeters (2 inches) The dimensions assume the wall studs are 41 centimeters (16 inches) apart. You might need to adjust the width of the base if the distance between the studs in your wall is different than the industry standard. You should install the plywood base on the wall and then install the switch on the base. Refer to Figure 36. Wall Studs Wall Plywood Base Step 1: Install the plywood base on the wall. Step 2: Install the switch on the plywood base. Figure 36. Steps to Installing the Switch with a Plywood Base 84

85 x550 Series Installation Guide for Virtual Chassis Stacking Installing a Plywood Base A plywood base is recommended when installing the switch on a wall that has wooden studs. Refer to Plywood Base for a Wall with Wooden Studs on page 83. Consult a qualified building contractor for installation instructions for the plywood base. The installation guidelines are listed here: You should use a stud finder to identify the middle of studs and hot electrical wiring in the wall. You should attach the base to two wall studs with a minimum of four screws. The selected wall location for the base should provide sufficient space from other devices or walls so that you can access the front and back panels. 85

86 Chapter 5: Installing the Switch on a Wall Installing the Switch on a Plywood Base This procedure assumes that the plywood base for the switch is already installed on the wall. Please review Reviewing Safety Precautions on page 54 and Choosing a Site for the Switch on page 58 before performing this procedure. Allied Telesis recommends a minimum of two people for this procedure. Warning The device is heavy. Always ask for assistance before moving or lifting it to avoid injuring yourself or damaging the equipment. Warning The device should be installed on the wall by a qualified building contractor. Serious injury to yourself or others or damage to the equipment may result if it is not properly fastened to the wall. E105 To install the switch on the plywood base, perform the following procedure: 1. Place the switch in a table. 2. Install the four wall brackets to the sides of the unit, with the sixteen M4x6mm screws included with the switch. Refer to Figure 37 on page

87 x550 Series Installation Guide for Virtual Chassis Stacking Figure 37. Installing the Wall Brackets 3. After attaching the brackets to the side of the switch, have another person hold the switch on the plywood base on the wall while you secure it with the four M4x32.3mm screws included with the switch. Refer to Figure 38 on page 88. Please follow these guidelines as you position the switch on the wall: Position the switch so that the front panel is either on the left or right. Refer to Figure 37. You may not install the switch with the front panel facing up or down. Leave sufficient space from other devices or walls so that you can access the front and back panels. 87

88 Chapter 5: Installing the Switch on a Wall Figure 38. Securing the Switch to the Plywood Base 4. Go to Chapter 6, Configuring Switches for Stacking on page

89 x550 Series Installation Guide for Virtual Chassis Stacking Installing the Switch on a Concrete Wall This section contains the instructions for installing the switch on a concrete wall. Please review the information in the following sections before performing the procedure: Switch Orientations on a Wall on page 80 Installation Guidelines on page 81 Warning The device is heavy. Always ask for assistance before moving or lifting it to avoid injuring yourself or damaging the equipment. Warning The device should be installed on a wall by a qualified building contractor. Serious injury to yourself or others or damage to the equipment may result if it is not properly fastened to the wall. E105 To install the switch on a concrete wall, perform the following procedure: 1. Place the switch in a table. 2. Install the four AT-BRKT-J24 wall brackets to the sides of the unit with the eight M4x6mm screws that come with the switch. 3. Have another people hold the switch on the concrete wall at the selected location for the device while you use a pencil or pen to mark the wall with the locations of the four screw holes in the four brackets (one screw per bracket). Refer to Figure 39 on page 90. Please follow these guidelines as you position the switch on the wall: Position the switch so that the front panel is either on the left or the right. Refer to Figure 34 on page 80. You may not install the switch with the front panel facing up or down. Leave sufficient space from other devices or walls so that you can access the front and back panels. 89

90 Chapter 5: Installing the Switch on a Wall Figure 39. Marking the Locations of the Bracket Holes on a Concrete Wall 4. Place the switch on a table or desk. 5. Use a drill and 1/4 carbide drill bit to pre-drill the four holes you marked in step 3. Please review the following guidelines: Prior to drilling, set the drill to hammer and rotation mode. The modes break up the concrete and clean out the hole. Allied Telesis recommends cleaning out the holes with a brush or compressed air. 6. Insert the four anchors into the holes. 7. Have another person hold the switch at the selected wall location while you secure it to the wall with the four M4x32mm provided screws. Refer to Figure 40 on page

91 x550 Series Installation Guide for Virtual Chassis Stacking Figure 40. Installing the Switch on a Concrete Wall 8. Go to Chapter 6, Configuring Switches for Stacking on page

92 Chapter 5: Installing the Switch on a Wall 92

93 Chapter 6 Configuring Switches for Stacking The procedures in this chapter are listed here: Introduction on page 94 Verifying the Status of the VCStack Feature on page 95 Starting a Local Management Session on page 98 Viewing the AlliedWare Plus Version Number, Feature Licenses, and Stacking Ports on page 100 Enabling the VCStack Feature on page 103 Changing the Ports of the Stack Trunk on page

94 Chapter 6: Configuring Switches for Stacking Introduction This chapter contains several procedures you should perform on each switch, before connecting the cables of the stack trunk. The procedures are listed here: Verifying the Status of the VCStack Feature on page 95 - Before building a stack, you should first check the status of the VCStack feature on the switches. It is easy to do. You power on the switches and watch the ID LEDs. The LED displays a number of 1 to 8 when the feature is enabled or 0 when it is disabled. In all likelihood, the feature will be enabled because that is its default setting. The default ID number is 1. If the feature is disabled (the ID LED displays 0), you have to enable it with the instructions in this section. Starting a Local Management Session on page 98 - The procedure in this section explains how to start a local management session on a switch, using the Console port. You have to perform this procedure to enable the VCStack feature on switches where the feature is disabled, compare the version numbers of the management software and option feature licenses on the switches, or designate different stacking ports. Viewing the AlliedWare Plus Version Number, Feature Licenses, and Stacking Ports on page This procedure has you display and record information about the switches that you should learn before building the stack. It explains how to determine whether the switches have the same version of the management software and the same optional feature licenses. It also explains how to view the current stacking ports. Enabling the VCStack Feature on page The procedure in this section explains how to enable the VCStack feature on switches where the feature is disabled. You probably will not need to perform this procedure because the default setting for the feature is enabled. Changing the Ports of the Stack Trunk on page The procedure in this section explains how to choose which two ports are to be the stacking ports. You can choose any two 10Gbps ports or the QSFP+ transceiver slots 17 and 21, which are 40Gbps. The QSFP+ transceiver slots are the default stacking ports. 94

95 x550 Series Installation Guide for Virtual Chassis Stacking Verifying the Status of the VCStack Feature The first step to building is a stack is to test the switches to determine whether the VCStack feature is enabled or disabled, and enable it on any units where it is disabled. The default setting for the feature is enabled, so it should already be activated on new switches. But the feature is probably disabled and needs to be enabled on switches that were previously used as stand-alone units. Testing the status of VCStack is simple. You power on a switch, wait two minutes, and examine the ID LED. If it is displaying a number from 1 to 8, VCStack is already enabled on a switch. If the LED displays the number 0, the feature is disabled and needs to be enabled. The default ID number is 1. Before powering on the switch, review the information in Power Specifications on page 140 for the power specifications of the switches. Warning Power cord is used as a disconnection device. To de-energize equipment, disconnect the power cord. E3 Note Pluggable Equipment. The socket outlet shall be installed near the equipment and shall be easily accessible. E5 To power on the switch, perform the following procedure: 1. Install the power cord retaining clip on the AC power connector on the rear panel of the switch. Refer to Figure 41. Figure 41. Installing the Power Cord Retaining Clip 95

96 Chapter 6: Configuring Switches for Stacking 2. Connect the AC power cord to the AC power connector on the rear panel of the switch. Refer to Figure 42. Figure 42. Connecting the AC Power Cord to the Switch 3. Lower the power cord retaining clip to secure the cord to the switch. Refer to Figure 43. Figure 43. Lowering the Power Cord Retaining Clip 96

97 x550 Series Installation Guide for Virtual Chassis Stacking 4. Connect the power cord to an appropriate AC power source. Refer to Figure 44. Figure 44. Connecting the Power Cord to an AC Power Source Note The illustration shows a North American power cord. Your power cord may be different. 5. Wait two minutes for the switch to initialize its management software. 6. View the ID LED. and do one of the following: If the ID LED is displaying a number from 1 to 8 (1 is the default), the VCStack feature is already enabled on the switch. If the ID LED is displaying 0, the VCStack feature is disabled. The procedure Enabling the VCStack Feature on page 103 later in this chapter explains how to enable it. 7. Go to Starting a Local Management Session on page

98 Chapter 6: Configuring Switches for Stacking Starting a Local Management Session To start a local management session on the switch, perform the following procedure: 1. Connect the RJ-45 connector on the management cable to the Console port on the front panel of the switch, as shown in Figure 45. Figure 45. Connecting the Management Cable to the Console Port 2. Connect the other end of the cable to an RS-232 port on a terminal or PC with a terminal emulator program. 3. Configure the terminal or terminal emulator program as follows: Baud rate: 9600 bps (The baud rate of the Console Port is adjustable from 1200 to bps. The default is 9600 bps.) Data bits: 8 Parity: None Stop bits: 1 Flow control: None Note The port settings are for a DEC VT100 or ANSI terminal, or an equivalent terminal emulator program. 4. Press Enter. 98

99 x550 Series Installation Guide for Virtual Chassis Stacking You are prompted for a user name and password. 5. If this is the initial management session of the switch, enter manager as the user name and friend as the password. The user name and password are case sensitive. The local management session starts when the User Exec mode prompt, shown in Figure 46. is displayed. awplus> Figure 46. User Exec Mode Prompt The User Exec mode is the first level in the command mode interface. For complete information on the modes and commands, refer to the Software Reference for x550 Series Switches, AlliedWare Plus Operating System. 6. Go to Viewing the AlliedWare Plus Version Number, Feature Licenses, and Stacking Ports on page

100 Chapter 6: Configuring Switches for Stacking Viewing the AlliedWare Plus Version Number, Feature Licenses, and Stacking Ports This section explains how to view the following switch information: AlliedWare Plus Version Number - It is important to determine whether the switches to be in the stack have the same or different versions of the management software. If they have different versions, you will want the switch with the most recent version to be the master switch when you initially power on the stack, because the master switch automatically downloads its management software to switches in the stack that have different versions. By knowing ahead of time which switch has the most recent version, you can make that switch becomes the master switch and so avoid the possibility of a master switch with an older version of the management software replacing newer software on member switches. Stacking ports - If the switches have AlliedWare Plus v or later, you can change the two stacking ports. The default stacking ports are the QSFP+ slots. For background information, refer to Planning the Stack on page 43 and Stack Trunk on page 45 Optional feature licenses: It is also a good idea to check whether the switches have optional Allied Telesis feature licenses. Switches with different feature licenses can still operate as a stack, but licenses and their features are only available on switches with the licenses. To view the management software version numbers, stacking ports, and optional feature licenses on the switches, perform the following procedure: Table 8. Commands for Displaying AlliedWare Plus Version Number, Feature Licenses, and Stacking Ports Command Description Start a local or remote management session on one of the switches. For instructions on how to start a local management session, refer to Starting a Local Management Session on page 98. awplus> enable awplus# Enter the ENABLE command to move from the User Exec mode to the Privileged Exec mode. 100

101 x550 Series Installation Guide for Virtual Chassis Stacking Table 8. Commands for Displaying AlliedWare Plus Version Number, Feature Licenses, and Stacking Ports (Continued) Command awplus# show system... Current software: x a rel Software version : 5.4.7A awplus# Description To display the AlliedWare Plus version number, enter the SHOW SYSTEM command. Write the AlliedWare Plus version number down on paper. awplus# show license brief To view the licenses on the switch, enter the SHOW LICENSE BRIEF command. Board region: Global Feature licenses on stack member 1: Index License name Quantity Customer name Type Period Base License - Base License Full N/A awplus# Write on paper the names of all licenses on the switch. The switch comes with the base license. awplus#... Stack port status Stack port status Down Down To view the currently designated stacking ports of the switch, enter the SHOW STACK DETAIL command: Write down on paper the current stacking ports of the switch. The defaults are ports 17 and

102 Chapter 6: Configuring Switches for Stacking Table 8. Commands for Displaying AlliedWare Plus Version Number, Feature Licenses, and Stacking Ports (Continued) Command Description Do one of the following: - If you determined in Verifying the Status of the VCStack Feature on page 95 that the VCStack feature is disabled, perform the procedure in Enabling the VCStack Feature on page If the switch has AlliedWare Plus v or later and you want to change the ports of the stack trunk, perform the procedure in Changing the Ports of the Stack Trunk on page Otherwise, go to the next step. Power off the switch by disconnecting the power cord from the AC power source. Repeat the procedures in this chapter on the other switches to be in the stack. After completing the procedures, go to Chapter 7, Cabling the Ports on page

103 x550 Series Installation Guide for Virtual Chassis Stacking Enabling the VCStack Feature If the switch is displaying the number 0 on its ID LED, the VCStack feature is disabled and needs to be enabled. To enable the VCStack feature, perform the procedure in Table 9. Table 9. Commands for Enabling the VCStack Feature Command Description Start a local or remote management session on the switch. For instructions on how to start a local management session, refer to Starting a Local Management Session on page 98. awplus> enable awplus# awplus# configure terminal Enter configuration commands, one per line. End with CNTL/Z. awplus(config)# awplus(config)# stack enable % The device needs to be restarted for this change to take effect. awplus(config)# awplus(config)# exit awplus# awplus# write Building configuration... [OK] awplus# Enter the ENABLE command to move from the User Exec mode to the Privileged Exec mode. Enter the CONFIGURE TERMINAL command to move to the Global Configuration mode. Enter the STACK ENABLE command to activate VCStack on the switch. Enter the EXIT command to return to the Privileged Exec mode. Enter the WRITE command to save your change. If this is the initial management session of the switch, the WRITE command automatically creates in flash memory a new configuration file called DEFAULT.CFG in which it stores your configuration change. You may change the name of the file or designate a different file after you create the stack. 103

104 Chapter 6: Configuring Switches for Stacking Table 9. Commands for Enabling the VCStack Feature (Continued) awplus# reboot reboot system? (y/n): awplus# Command Description Restart the switch with the REBOOT command Type Y for yes. Wait one minute for the switch to initialize its management software. Check the ID LED and do one of the following: - If the ID LED is displaying a number from 1 to 8, VCStack is now enabled on the switch. Go to the next step. If the ID LED is still displaying 0, repeat this procedure. Be sure to issue the WRITE command to save your change. If the switch has AlliedWare Plus v5.4.7a-0, go the next step. If the switch has AlliedWare Plus v or later, do one of the following: - If you want to change the stacking ports, go to Changing the Ports of the Stack Trunk on page 105: - Otherwise, go to the next step. Power off the switch by disconnecting the power cord from the AC power source. Repeat the procedures in this chapter on the remaining switches of the stack. After completing the procedures, go to Chapter 7, Cabling the Ports on page

105 x550 Series Installation Guide for Virtual Chassis Stacking Changing the Ports of the Stack Trunk The switches of the stack have to be connected with a stack trunk consisting of two ports on each device. For switches with AlliedWare Plus v or later, you can choose which two ports are to be the stack trunk. Your choices are listed here: 40Gbps QSFP+ transceiver slots 17 and 21 (S3 and S4). These are the default ports of the trunk. 10Gbps ports 15 and 16 (S1 and S2) Note For switches with AlliedWare Plus v5.4.7a-0, you have to use transceiver slots 17 and 21 as the stack trunk. There are two commands for designating stack trunk ports. The first is the NO STACKPORT command, which removes the stack trunk function from ports. You have to remove the function from the current stack trunk ports trunk before adding it to other ports. The second command is STACKPORT, which adds the stack trunk function to ports. To use 10Gbps ports 15 and 16 (S1 and 2) as the stack trunk, you first have to disable the stack trunk feature on the QSFP+ slots 17 and 21 (S3 and S4) and then enable it on the other ports. Here are the general steps: 1. Start a local or remote management session on the switch. 2. Enter the Interface mode for transceiver slots 17 and Issue the NO STACKPORT commands on the transceiver slots to stop them from functioning as the stack trunk and instead act as regular networking ports. 4. Enter the Interface mode of 10Gbps ports 15 and Issue the STACKPORT command on the 10Gbps ports 15 and 16. to designate them as the stack trunk. 6. Save your changes with the WRITE command. Table 10 on page 106 is an example of how to designate 10Gbps ports 15 and 16 as the stack trunk. The procedure assumes that QSFP+ slots 17 and 21 are the current stacking ports. The procedure is the same for ATx550-18XTQ and AT-x550-18XSQ Switches. 105

106 Chapter 6: Configuring Switches for Stacking Table 10. Example of Commands for Designating 10Gbps Ports as the Stacking Ports Command Description Start a local or remote management session on the switch. For instructions on how to start a local management session, refer to Starting a Local Management Session on page 98. awplus> enable awplus# awplus# configure terminal Enter configuration commands, one per line. End with CNTL/Z. awplus(config)# awplus(config)# interface port1.0.17,port awplus(config-if) awplus(config-if)# no stackport awplus(config-if) awplus(config-if)# interface port1.0.15,port awplus(config-if) awplus(config-if)# stackport awplus(config-if) awplus(config-if)# exit awplus#(#config) awplus(config-if)# exit awplus# Enter the ENABLE command to move from the User Exec mode to the Privileged Exec mode. Enter the CONFIGURE TERMINAL command to move to the Global Configuration mode. Enter the INTERFACE command to move to the Interface mode for transceiver slots 17 and 21. Enter the NO STACKPORT command to change the transceiver slots from stacking ports to regular networking ports. Enter the INTERFACE command to move to the Interface mode of ports 15 and 16. Enter the STACKPORT command to designate the ports as the stack trunk. Enter the EXIT command to return to the Global Config mode. Enter the EXIT command to return to the Privileged Exec mode. 106

107 x550 Series Installation Guide for Virtual Chassis Stacking Table 10. Example of Commands for Designating 10Gbps Ports as the Stacking Ports (Continued) awplus# write Building configuration... [OK] awplus# awplus# reboot reboot system? (y/n): awplus# Command Description Enter the WRITE command to save your change. If this is the initial management session of the switch, the WRITE command automatically adds to flash memory a new configuration file called DEFAULT.CFG in which it stores your configuration change. You may change the name of the file or designate a different file after you create the stack. Restart the switch with the REBOOT command Type Y for yes. Wait one minute for the switch to initialize its management software. Start a new local or remote management session on the switch. For instructions on how to start a local management session, refer to Starting a Local Management Session on page 98. awplus> enable awplus# awplus# show stack detail... Stack port status Stack port status Down Down Enter the ENABLE command to move from the User Exec mode to the Privileged Exec mode. Enter the SHOW STACK DETAIL command to confirm that the designated 10Gbps ports are now the stack trunk ports. (The status of the ports should be Down at this point because the stack trunk has not been cabled yet.) 107

108 Chapter 6: Configuring Switches for Stacking Table 10. Example of Commands for Designating 10Gbps Ports as the Stacking Ports (Continued) Command Description Repeat the procedures in this chapter on the remaining switches of the stack. Afterwards, go to Chapter 7, Cabling the Ports on page

109 Chapter 7 Cabling the Ports This chapter contains the following procedures: Cabling the 1Gbps/10Gbps Ports on the AT-x550-18XTQ Switch on page 110 Guidelines to Handling SFP, SFP+, and QSFP+ Transceivers on page 111 Installing 1Gbps SFP or 10Gbps SFP+ Transceivers in the AT-x550-18XSQ Switch on page 112 Installing AT-SP10TW Direct Connect Twinax Cables in the AT-x550-18XSQ Switch on page 115 Installing AT-QSFPSR4 or AT-QSFPLR4 Transceivers on page 117 Installing AT-QSFPCU Cables on page

110 Chapter 7: Cabling the Ports Cabling the 1Gbps/10Gbps Ports on the AT-x550-18XTQ Switch This section contains guidelines to cabling the 1Gbps/10Gbps twisted pair ports on the AT-x550-18XTQ Switch. Note Please review the information in Stack Trunk on page 45 for cabling guidelines if you are using the 10Gbps twisted pair ports 15 and 16 (S1 and S2) for the stack trunk. Here are the guidelines: The cable specifications for the ports are listed in Table 2 on page 22. The connectors on the cables should fit snugly into the ports, and the tabs should lock the connectors into place. The default speed setting for the ports is Auto-Negotiation. This setting is appropriate for ports connected to network devices that also support Aut-Negotiation. The ports must be set to Auto-Negotiation, the default setting, to operate at 1Gbps. The ports support full-duplex only. Do not attach cables to ports of static or LACP port trunks until after you configure the trunks on the switch. Otherwise, the ports will form network loops that can adversely affect network performance. 110

111 x550 Series Installation Guide for Virtual Chassis Stacking Guidelines to Handling SFP, SFP+, and QSFP+ Transceivers Please review the following guidelines before installing SFP, SFP+, or QSFP+ transceivers in the switches: The transceivers are hot-swappable. You can install them while the switch is powered on. For a list of supported transceivers, refer to the product data sheet on the Allied Telesis web site. The operational specifications and fiber optic cable requirements of the transceivers are provided in the documents included with the devices. You should install a transceiver before connecting its fiber optic cable. Fiber optic transceivers are dust sensitive. Always keep the plug in the optical bores when a fiber optic cable is not installed, or when you store the transceiver. When you do remove the plug, keep it for future use. Unnecessary removal and insertion of a transceiver can lead to premature failure. Caution Transceivers can be damaged by static electricity. Be sure to observe all standard electrostatic discharge (ESD) precautions, such as wearing an antistatic wrist strap, to avoid damaging the devices. E92 Note QSFP+ transceiver slots 17 and 21 are initially configured as stacking slots for the VCStack feature. If you are using the switch as a stand-alone unit, you can use the slots and QSP+ transceivers as regular networking ports by disabling the VCStack feature. For instructions, refer to the x550 Series Installation Guide for Standalone Switches. 111

112 Chapter 7: Cabling the Ports Installing 1Gbps SFP or 10Gbps SFP+ Transceivers in the AT-x550-18XSQ Switch This section contains the instructions for installing 1Gbps SFP or 10Gbps SFP+ transceivers in slots 1 to 16 in the AT-x550-18XSQ Switch. The illustrations show a transceiver with a duplex LC connector. The connectors on your transceivers may be different. Note Please review the information in Stack Trunk on page 45 for cabling guidelines if you are using the 10Gbps SFP+ transceiver slots 15 and 16 (S1 and S2) for the stack trunk. To install transceivers, perform the following procedure: 1. Remove the dust plug from a transceiver slot on the switch. Refer to Figure 47. Figure 47. Removing the Dust Plug from an SFP Slot 2. Remove the transceiver from its shipping container and store the packaging material in a safe location. 3. If you are installing the transceiver in a top slot, position the transceiver with the Allied Telesis label facing up. If you are installing the transceiver in a bottom slot, position the transceiver with the label facing down. 4. Slide the transceiver into the slot until it clicks into place. Refer to Figure 48 on page

113 x550 Series Installation Guide for Virtual Chassis Stacking Figure 48. Installing an SFP Transceiver Note If you are ready to attach the fiber optic cable to the transceiver, continue with the next step. Otherwise, repeat steps 1 to 4 to install the remaining transceivers in the switch. 5. Remove the dust cover from the transceiver, as shown in Figure 49. Figure 49. Removing the Dust Cover from an SFP or SFP+ Transceiver 113

114 Chapter 7: Cabling the Ports 6. Verify the position of the handle on the transceiver. If the transceiver is in a top slot, the handle should be in the upright position, as shown in Figure 50. If the transceiver is in a bottom slot, the handle should be in the down position. SFP Handle Figure 50. Positioning the SFP or SFP+ Handle in the Upright Position 7. Connect the fiber optic cable to the transceiver, as shown in Figure 51. The connector on the cable should fit snugly into the port, and the tab should lock the connector into place. Figure 51. Connecting a Fiber Optic Cable to an SFP or SFP+ Transceiver 8. Repeat this procedure to install additional transceivers. 114

115 x550 Series Installation Guide for Virtual Chassis Stacking Installing AT-SP10TW Direct Connect Twinax Cables in the AT-x550-18XSQ Switch The SFP and SFP+ transceiver slots 1 to 16 on the AT-x550-18XSQ Switch support AT-SP10TW direct connect twinax cables. The cables are an economical way to add 10Gbps connections over short distances. They have SFP+ transceivers on both ends and come in lengths of 1, 3, and 7 meters. Note Please review the information in Stack Trunk on page 45 for cabling guidelines if you are using AT-SP10TW direct connect twinax cables in SFP+ slots 15 and 16 (S1 and S2) for the stack trunk. To install AT-SP10TW cables, perform the following procedure: 1. Remove the dust plug from a transceiver slot on the switch. Refer to Figure 47 on page Remove the transceiver from its shipping container and store the packaging material in a safe location. 3. To install the transceiver in a slot in the top row, position the transceiver with the Allied Telesis label facing up. To install the transceiver in a slot in the bottom row, position the transceiver with the label facing down. Refer to Figure 52. Figure 52. Installing AT-SP10TW Cables 115

116 Chapter 7: Cabling the Ports 4. Slide the transceiver into the slot until it clicks into place. 5. Connect the other end of the cable into an SFP+ slot on another network device. 6. Repeat this procedure to install additional transceivers. Note To remove the connector and cable from the slot, gently push on the connector, pull on the release tab, and slide the connector from the slot. 116

117 x550 Series Installation Guide for Virtual Chassis Stacking Installing AT-QSFPSR4 or AT-QSFPLR4 Transceivers This section contains the procedure for installing AT-QSFPSR4 or AT- QSFPLR4 transceivers in the QSFP+ slots 17 and 21. Note Please review the information in Stack Trunk on page 45 for guidelines before cabling QSFP+ transceivers if you are using the 40Gbps transceiver slots for the stack trunk. Note Please review Guidelines to Handling SFP, SFP+, and QSFP+ Transceivers on page 111 before performing this procedure. To build a stack trunk with AT-QSFPSR4 or AT-QSFPLR4 transceivers, perform the following procedure: 1. Remove the dust covers from QSFP+ slots 17 and 21 from one of the switches to be in the stack. Refer to Figure Slide the QSFP+ transceivers into the slots until they click into place. 3. Repeat steps 1 and 2 to install QSFP+ transceivers in the other switch in the stack. 4. Attach the fiber optic cables to the transceivers in both switches. If you are using the transceiver slots as the stack trunk, the cables must crossover to different slots. For more information, refer to Stack Trunk on page Go to Chapter 8, Powering On and Verifying the Stack on page 121. Note To remove the connector and cable from the slot, gently push on the connector, pull on the release tab, and slide the connector from the slot. 117

118 Chapter 7: Cabling the Ports Installing AT-QSFPCU Cables This section contains instructions on how to install AT-QSFPCU Cables. You can use the cables to build a stack trunk between two switches that are physically near each other, in the same or adjoining equipment racks. The model names of the cables are listed here: AT-QSFP1CU - 1 meter AT-QSFP3CU - 3 meters Note Please review the information in Stack Trunk on page 45 for guidelines before cabling QSFP+ transceivers if you are using the 40Gbps transceiver slots for the stack trunk. Note The cables of the stack trunk must crossover to different QSFP+ slots. The transceiver in slot 17 in one switch must connect to slot 21 in the other switch. For more information, refer to Figure 11 on page 46. Please review Guidelines to Handling SFP, SFP+, and QSFP+ Transceivers on page 111 before performing this procedure. To build the stack trunk with AT-QSFPCU Cables, perform the following procedure: 1. Remove the dust cover from the QSFP+ slot 17 in one of the x550 Switches. Refer to Figure 53. Figure 53. Removing the Dust Cover from Slot Orient the connector on the AT-QSFPCU Cable with the release tab on top and slide it into the slot until it clicks into place. Refer to Figure 54 on page

119 x550 Series Installation Guide for Virtual Chassis Stacking Release Tab Figure 54. Sliding the AT-QSFPCU Cable into Slot Remove the dust cover from slot 21 on the other x550 Switch to be in the stack. Refer to Figure 55. Figure 55. Removing the Dust Cover from Slot Orient the transceiver with the release tab on the bottom and slid it into the QSFP+ slot until it clicks into place. Refer to Figure 56 on page

120 Chapter 7: Cabling the Ports Release Tab Figure 56. Installing the AT-QSFPCU Cable in Slot Repeat this procedure to install the second cable in QSFP+ slots 21 and 17 in the two switches. 6. Go to Chapter 8, Powering On and Verifying the Stack on page 121. Note To remove the connector and cable from the slot, gently push on the connector, pull on the release tab, and slide the connector from the slot. 120

121 Chapter 8 Powering On and Verifying the Stack This chapter contains the following procedures: Powering On the Switches Sequentially on page 122 Powering On the Switches Simultaneously on page 124 Verifying the Stack on page 126 Monitoring the Initialization Processes on page 129 Specifying Ports in the Command Line Interface for Stacks on page 132 Perform Powering On the Switches Sequentially on page 122 if you want to control the assignment of the ID numbers to the switches of the stack. The numbers are assigned in the order in which you power on the units. Otherwise, perform Powering On the Switches Simultaneously on page 124 to have the switches assign the numbers automatically. After the ID numbers are assigned, you may change them with the STACK RENUMBER command, described in the Software Reference for x550 Series Switches, AlliedWare Plus Operating System. Caution You should not change the ID numbers of the switches after configuring the parameter settings. Otherwise, the stack might assign configuration settings to the wrong units. E79 121

122 Chapter 8: Powering On and Verifying the Stack Powering On the Switches Sequentially This procedure explains how to control the assignment of the ID numbers of the switches by powering on the units one at a time, during the initial power-on sequence. The first switch powered on is assigned the ID number 1, the second unit is given the ID number 2, and so on. Once the ID numbers are assigned, the switches retain them even when you power off or reset the stack. Powering on the switches in sequence can be useful in the following situations: You want a switch to retain its stand-alone configuration when it becomes part of a stack. This is useful if you are building a stack where one switch is already operating as a stand-alone unit in your network. If you power on that switch first, it is assigned the ID number 1 and retains its configuration. This saves you from having to reconfigure its parameter settings once it becomes part of the stack. If the switches are installed in the same equipment rack, you can number them in sequence, such as from top to bottom, to make them easier to identify. The first switch to be powered on during the initial power-on sequence becomes the master switch of the stack. However, if you do not change the priority values of the units, the next time you reset or power cycle the stack the units use their MAC addresses to select the master switch. This might result in a different switch being assigned that role. However, this does not affect their ID numbers, the configuration of the switches, or the manner in which you manage the stack. This procedure assumes the following: This is the initial power-on sequence of the stack. You verified that VCStack is enabled on the switches, as explained in Chapter 6, Configuring Switches for Stacking on page 93. The switches are connected with a stack trunk of the two 40Gbps QSFP+ transceivers in slots 17 and 21 or two 10Gbps ports. For background information, refer to Stack Trunk on page 45. For cabling instructions, refer to Chapter 7, Cabling the Ports on page 109. The ID numbers are set to the default 1. All the switches are powered off. If you want to monitor the power on sequence, you may connect a terminal or PC with a terminal emulator program to the Console port on the switch you intend to power on first. The messages are found in Monitoring the 122

123 x550 Series Installation Guide for Virtual Chassis Stacking Initialization Processes on page 129. To sequentially power on the switches, perform the following procedure: 1. Power on the switch you want assigned ID number 1. Connect the power cord to an appropriate AC power source. Refer to Figure 44 on page 97. Refer to Power Specifications on page 140 for the power specifications of the switches. Warning Power cord is used as a disconnection device. To de-energize equipment, disconnect the power cord. E3 Note Pluggable Equipment. The socket outlet shall be installed near the equipment and shall be easily accessible. E5 2. Wait two minutes for the switch to initialize its management software. The switch should now be displaying the number 1 on its ID LED. 3. Power on the switch you want assigned the ID number Wait four minutes for the new switch to join the stack as a member. As the new switch boots up, the first switch, which has the ID number 1 and at this point is the master switch of the stack, notifies the new switch that its current ID number is already being used and that it should change its number to the next available number, which is 2. The new switch automatically changes its ID number to 2 and reboots. So the new switch is booting up twice, once with the ID number 1 and again with its new ID number 2, which is why it takes four minutes before the device becomes a full member of the stack. 5. Repeat steps 3 and 4 to power on additional switches. The stack is operational after you have powered on all the switches and they have been assigned ID numbers. The switches automatically store their ID numbers in special files in the flash memories and retain them even when you reset or power cycle the devices. 6. To continue with the installation, go to Verifying the Stack on page

124 Chapter 8: Powering On and Verifying the Stack Powering On the Switches Simultaneously If, during the initial power-on sequence of the stack, you want the switches to automatically assign the ID numbers themselves using their MAC addresses, you can power them on simultaneously. Here are the steps the switches perform: They initialize their management software and compare their MAC addresses. The switch with the lowest address is designated as the master switch of the stack. The master switch assigns itself the ID number 1. The master switch assigns ID numbers to the other switches, which become member switches of the stack. The member switches reset and initialize their management software again, with their new ID numbers. The entire process takes about four minutes. This procedure assumes the following: This is the initial power-on sequence of the stack. You verified that VCStack is enabled on the switches, as explained in Chapter 6, Configuring Switches for Stacking on page 93. The switches are connected with a stack trunk of the two 40Gbps QSFP+ transceivers in slots 17 and 21 or two 10Gbps ports. For background information, refer to Stack Trunk on page 45. For cabling instructions, refer to Chapter 7, Cabling the Ports on page 109. The switches are powered off. If you want to monitor the power on sequence, you may connect a terminal or PC with a terminal emulator program to the Console port on either of the switches. The messages are found in Monitoring the Initialization Processes on page 129. To have the switches automatically assign the ID numbers, perform the following procedure: 1. Power on all the switches in the stack at the same time. Connect the power cords to appropriate power sources. Refer to Figure 44 on page 97. Refer to Power Specifications on page 140 for the power specifications of the switches. 124

125 x550 Series Installation Guide for Virtual Chassis Stacking Warning Power cord is used as a disconnection device. To de-energize equipment, disconnect the power cord. E3 Note Pluggable Equipment. The socket outlet shall be installed near the equipment and shall be easily accessible. E5 2. Wait four minutes for the switches to select a master switch and to assign the ID numbers. At this point, the stack is operational. The ID numbers are automatically stored in special files in the flash memories of the switches and are retained by the devices even if you reset or power cycle the stack. 3. To continue with the installation, go to Verifying the Stack on page

126 Chapter 8: Powering On and Verifying the Stack Verifying the Stack To verify the operations of the stack, perform the following procedure: 1. Establish a local management session using the Console port on either switch in the stack. For instructions, refer to Starting a Local Management Session on page From the User Exec mode, enter the SHOW STACK command: awplus> show stack The command lists the switches in the stack. An example of a stack of two switches is shown in Figure 57. awplus> show stack Virtual Chassis Stacking summary information ID Pending ID MAC address Priority Status Role 1 - e01a:ea20: Ready Active Master 2 - e01a:ea20: Ready Member Operational Status Normal operations Stack MAC address 0015:774f:ed30 awplus(config)# Figure 57. SHOW STACK Command Please review the following items: The command should list all the switches in the stack. If the list is incomplete, refer to Chapter 9, Troubleshooting on page 133. The Operational Status field should be displaying Normal operations, which indicates the stacking ports are operating normally. If the Operational Status field is displaying Not all stack ports are up, the master switch has determined that one or more QSFP+ stacking ports are not being used or cannot establish links with their counterparts. For more information, refer to Chapter 9, Troubleshooting on page 133. The priority values will be 128, the default value, if they have not been changed on the switches. The active master in the SHOW STACK command can be any switch. It does not have to be the switch with ID number 1. For more information, refer to Master and Member Switches on page

127 x550 Series Installation Guide for Virtual Chassis Stacking 3. Do one of the following: If you want to change the priority values of the switches, go to Setting the Priority Numbers on page 127. The procedure is optional. Otherwise, go to Chapter 7, Cabling the Ports on page 109, to continue with the installation. Setting the Priority Numbers This procedure is optional. It explains how to configure the priority settings of the switches. The switches use the priority settings to select the master switch when you reset or powered the stack. For background information, refer to Master and Member Switches on page 48. This procedure assumes you are continuing directly on from the previous procedure. To set the priority values of the switches, perform the following procedure: 1. Use the CONFIGURE TERMINAL command to move from the Privileged Exec mode to the Global Configuration mode. Refer to Figure 58. awplus# configure terminal Enter configuration commands, one per line. End with CNTL/Z. awplus(config)# Figure 58. Moving to the Global Configuration Mode with the CONFIGURE TERMINAL Command 2. Use the STACK PRIORITY command to set the priority numbers. The command has this format: stack ID_number priority priority The ID_NUMBER parameter is the ID number of the switch whose priority value you are setting. The range is 1 to 4. The PRIORITY parameter is the new priority value for the switch. The range is 0 to 255. The default is 128. Here are a couple examples. To assign the priority value 1 to the switch with the ID number 1, you enter this command: awplus(config)# stack 1 priority 1 To set the priority value to 2 on the switch with the ID number 2, you enter: awplus(config)# stack 2 priority 2 3. After setting the priority values, enter the EXIT command to return to the Privileged Exec mode, as shown in Figure

128 Chapter 8: Powering On and Verifying the Stack awplus(config)# exit awplus# Figure 59. Returning to the Privileged Exec Mode 4. Enter the WRITE command to save your change in the configuration file. The switch displays the confirmation prompt in Figure 60. awplus# write Building configuration... [OK] awplus# Figure 60. Saving the Priority Values with the WRITE Command 5. To end the management session, enter the EXIT command. 6. Go to Chapter 7, Cabling the Ports on page 109, to continue with the installation. 128

129 x550 Series Installation Guide for Virtual Chassis Stacking Monitoring the Initialization Processes You may monitor the initialization sequence of the stack by connecting a terminal or computer that has a terminal emulator program to the Console port on either switch in the stack. You will see the messages in Figure 61 here to Figure 63 on page 131. Bootloader loaded Press <Ctrl+B> for the Boot Menu Loading flash:x550-cap_x rel... Verifying release... OK Booting... Uncompressing Linux... done, booting the kernel Starting base/first... [ OK ] Mounting virtual filesystems... [ OK ] /\ \ / / \ / \ \ / / / \ / / \ \ / / \ / / /\ \ \/ / / Allied Telesis Inc. AlliedWare Plus (TM) v0.0.0 Current release filename: x550-cap_ rel Built: Tue Mar 14 23:31:58 UTC 2017 Mounting static filesystems... [ OK ] Attaching to /dev/mtd0... [ OK ] Checking flash filesystem... [ OK ] Mounting file system... [ OK ] Checking for last gasp debug output... [ OK ] Checking NVS filesystem... [ OK ] Mounting NVS filesystem... [ OK ] Initializing random number generator... [ OK ] Starting base/arm_sysctl... [ OK ] Starting base/dbus... [ OK ] Figure 61. Switch Initialization Messages 129

130 Chapter 8: Powering On and Verifying the Stack Starting base/syslog... [ OK ] Starting base/loopback... [ OK ] Starting base/poe_done... [ OK ] Starting base/sysctl... [ OK ] Received event poefw.done Starting base/portmapper... [ OK ] Received event syslog.done Starting base/modules... [ OK ] Received event modules.done Starting base/reboot-stability... [ OK ] Checking system reboot stability... [ OK ] Starting base/apteryx... [ OK ] Starting base/crond... [ OK ] Starting base/appmond... [ OK ] Starting base/clockcheck... [ OK ] Starting hardware/timeout... [ OK ] Starting base/inet... [ OK ] Received event apteryx.done Starting base/alfred... [ OK ] Starting base/kernond... [ OK ] Starting base/plugman... [ OK ] Starting base/apteryx-sync... [ OK ] Starting base/openhpi... [ OK ] Received event apteryx-sync.done 00:47:23 awplus Pluggable[430]: Pluggable DM Inserted into port :47:23 awplus Pluggable[430]: Pluggable DM Inserted into port Received event board.inserted Starting hardware/hardware-done... [ OK ] Received event hardware.done Starting network/startup... [ OK ] Starting base/external-media... [ OK ] Received event hostcfg.done Starting network/stackd... [ OK ] Starting network/election.timeout... [ OK ] Received event network.enabled Figure 62. Switch Initialization Messages (Continued) 130

131 x550 Series Installation Guide for Virtual Chassis Stacking Initializing HA processes: atmfd_agentd, hostd, atmfd, auth, cntrd, hsl, imi imiproxyd, irdpd, lacp, lldpd, loopprot, nsm, ospf6d pdmd, pim6d, ripd, ripngd, rmon, sflowd, udldd vrrpd, bgpd, epsr, mstp, ospfd, pimd Received event network.initialized 00:50:36 awplus-1 VCS[627]: Member 2 (e01a.ea20.80de) has joined the stack 00:50:36 awplus-1 VCS[627]: Please configure stack virtual-mac to minimize network disruption from failovers. 00:50:36 awplus-1 VCS[627]: Member 1 (e01a.ea20.80dd) has become the Active Master Received event vcs.elected-master Assigning Active Workload to HA processes: hsl, authd, epsrd, irdpd, lacpd, lldpd, loopprotd mstpd, nsm, rmond, sflowd, vrrpd, imi, imiproxyd Received event network.activated Loading default configuration Warning: flash:/default.cfg does not exist, loading factory defaults... done! Received event network.configured awplus login: Figure 63. Switch Initialization Messages (Continued) 131

132 Chapter 8: Powering On and Verifying the Stack Specifying Ports in the Command Line Interface for Stacks The individual ports on the switches in a stack are specified in the command line interface with the PORT parameter. The format of the parameter is shown in Figure 64. port1.0.n Stack ID Module ID Port Number Figure 64. PORT Parameter in the Command Line Interface The three parts of the PORT parameter are described in Table 11. Table 11. PORT Parameter Format Number Description Stack ID Module ID Port Number Designates the switch s ID number. The number is either 1 or 2. To determine the ID number of a switch, examine its Switch ID LED. Designates the module number of a port. The x550 Series switches do not have modules, Consequently, this value is always 0 (zero). Designates a port number. Here is an example of the PORT parameter on a switch in a stack. It uses the INTERFACE command to enter the Port Interface mode for ports 15 and 17 on the front panel of the switch with the ID number 2: awplus> enable awplus# configure terminal awplus(config)# interface port2.0.15,port For instructions on the command line interface and the PORT parameter, refer to the Software Reference for x550 Series Switches, AlliedWare Plus Operating System. 132

133 Chapter 9 Troubleshooting This chapter contains suggestions on how to troubleshoot problems with the switch. Note For further assistance, please contact Allied Telesis Technical Support at Problem 1: All of the port LEDs and the Switch ID LED are off, and the fans are not operating. Solutions: The unit is not receiving power. Try the following: Verify that the power cord is securely connected to the power source and the AC connector on the back panel of the switch. Verify that the power outlet has power by connecting another device to it. Try connecting the unit to another power source. Try a different power cord. Verify that the voltage from the power source is within the required levels for your region. The power requirements for the switch are listed in Power Specifications on page 140. Problem 2: All of the port LEDs are off even though the ports are connected to active network devices. Solution: The switch may be operating in the low power mode. To toggle on the LEDs, press the eco-friendly button on the front panel of the switch. You may also toggle the LEDs off and on with the ECOFRIENDLY LED and NO ECOFRIENDLY LED commands in the command line interface. Problem 3: A 1Gbps/10Gbps twisted pair port on the AT-x550-18XTQ switch is connected to a network device but the port s LINK/ACT LED is off. Solutions: The port is unable to establish a link to a network device. Try the following: Verify that the network device connected to the twisted pair port is powered on and is operating properly. 133

134 Chapter 9: Troubleshooting Try connecting another network device to the twisted pair port with a different cable. If the twisted pair port is able to establish a link, then the problem is with the cable or the other network device. Verify that the twisted pair cable does not exceed 100 meters (328 feet). Verify that you are using the appropriate category of twisted pair cable. Cable requirements are listed in Table 2 on page 22. Verify that the port is connected to the correct twisted pair cable. Note A 1Gbps/10Gbps connection may require five to ten seconds to establish a link. Problem 4: The LINK/ACT LED for an SFP, SFP+, or QSFP+ transceiver is off. Solutions: The fiber optic port on the transceiver is unable to establish a link to a network device. Try the following: Verify that the remote network device connected to the fiber optic port is operating properly. Verify that the fiber optic cable is securely connected to the port on the transceiver and to the port on the remote network device. Check that the transceiver is fully inserted in the slot. Verify that the operating specifications of the fiber optic ports on the transceiver and remote network device are compatible. Verify that the correct type of fiber optic cabling is being used. Verify that the port is connected to the correct fiber optic cable. Try connecting another network device to the fiber optic port using a different cable. If the port is able to establish a link, then the problem is with the cable or with the other network device. Use the switch s management software to verify that the port is enabled. If the remote network device is a managed device, use its management firmware to determine whether its port is enabled. Test the attenuation of both directions on the fiber optic cable with a fiber optic tester to determine whether the optical signal is too weak (sensitivity) or too strong (maximum input power). Problem 5: The SHOW STACK command is not displaying all the switches in the stack. Solutions: The switches are unable to form the stack. If you are using the 40Gbps transceiver slots 17 and 21 (S3 and S4) for the stack trunk, try the following: 134

135 x550 Series Installation Guide for Virtual Chassis Stacking Verify that the transceivers are fully inserted into the transceiver slots. Verify that the fiber optic cables are securely connected to the ports on the transceivers. Verify that the AT-QSFPLR4 or AT-QSFPSR4 transceivers or AT- QSFPICU Cables are from Allied Telesis. The trunk will not work with cables from other network equipment manufacturers. Verify that the transceivers are properly cabled. The cables must crossover to different slots on the switches. The cable for the transceiver in slot 17 must connect to slot 21 on the other switch. Refer to Figure 11 on page 46. For AT-QSFPSR4 Transceivers, verify that you are using 12- strand OM4 fiber optic cable and that the cables are not longer than 150 m (492 ft). For AT-QSFPLR4 Transceivers, verify that you are using SMF cables and that the cables are in range of 2 m (6.6 ft) to 10 km (6.2 mi). Verify that VCStack is activated on the switches. For instructions, refer to Chapter 6, Configuring Switches for Stacking on page 93. If you are using 10Gbps ports 15 and 16 (S1 and S2) for the stack trunk, try the following: If the stack has AT-x550-18XSQ Switches, verify that the transceivers are fully inserted into transceiver slots 15 and 16. Verify that the ports are properly cabled. The cables must crossover to different ports on the switches. The cable for port 15 must connect to port 16 on the next switch. Refer to Figure 12 on page 47. If you are using AT-SPI0TW direct connect twinax cables for the stack trunk, verify that they are from Allied Telesis. The trunk will not work with cables from other network equipment manufacturers. Problem 6: The switch functions intermittently. Solutions: Check the system hardware status through the management software: Use the SHOW SYSTEM ENVIRONMENT command in the Privileged Exec mode to verify that the input voltage from the power source to the switch is stable and within the approved operating range. The unit will shut down if the input voltage fluctuates above or below the approved operating range. Use the SHOW SYSTEM ENVIRONMENT command in the Privileged Exec mode to verify that the fan is operating correctly. 135

136 Chapter 9: Troubleshooting Verify that the location of the switch allows for adequate airflow. The unit will shut down if it is overheating. Problem 7: The Switch ID LED is flashing the letter F. Solutions: One or more of the following problems has occurred: A cooling fan has failed. The internal temperature of the switch has exceeded the normal operating range and the switch might have to shut down. Contact your Allied Telesis sales representative for assistance. 136

137 Appendix A* Technical Specifications This appendix contains the following sections: Physical Specifications on page 138 Environmental Specifications on page 139 Power Specifications on page 140 Certifications on page 141 RJ-45 Twisted Pair Port Pinouts on page 142 RJ-45 Style Serial Console Port Pinouts on page

138 Appendix A: Technical Specifications Physical Specifications Dimensions (H x W x D) Table 12 lists the dimensions of the switches. Table 12. Product Dimensions AT-x550-18XTQ AT-x550-18XSQ 4.4 cm x 21.0 cm x 34.4 cm (1.7 in. x 8.3 in. x 13.6 in.) 4.4 cm x 21.0 cm x 34.4 cm (1.7 in. x 8.3 in. x 13.6 in.) Weights Table 13 lists the weights of the switches and power supplies. Table 13. Product Weights AT-x550-18XTQ AT-x550-18XSQ 3.11 kg (6.85 lb.) 3.18 kg (7.00 lb.) Ventilation Table 14 lists the ventilation requirements. Table 14. Ventilation Requirements Recommended Minimum Ventilation on All Sides 10 cm (4.0 in) 138

139 x550 Series Installation Guide for Virtual Chassis Stacking Environmental Specifications Table 15 lists the environmental specifications of the switches. Table 15. Environmental Specifications Operating Temperature 0 C to 45 C (32 F to 113 F) Storage Temperature -25 C to 70 C (-13 F to 158 F) Operating Humidity Storage Humidity Maximum Operating Altitude Maximum Nonoperating Altitude 5% to 90% noncondensing 5% to 95% noncondensing 3,000 m (9,842 ft) 4,000 m (13,100 ft) 139

140 Appendix A: Technical Specifications Power Specifications This section contains the maximum power consumption values, input voltages, and heat dissipation values. Maximum Power Consumption Table 16 lists the maximum power consumptions of the switches. Table 16. Maximum Power Consumptions AT-x550-18XTQ AT-x550-18XSQ watts watts Input Voltages Table 17 lists the input voltages for the switches. Table 17. Input Voltages AT-x550-18XTQ AT-x550-18XSQ VAC~, 1.5A maximum, 50/60 Hz VAC~, 1.5A maximum, 50/60 Hz Heat Dissipation Table 18 lists the heat dissipation for the switches. Table 18. Heat Dissipation AT-x550-18XTQ AT-x550-18XSQ 436 BTU/hr 378f BTU/hr 140

141 x550 Series Installation Guide for Virtual Chassis Stacking Certifications Table 19 lists the product certificates. Table 19. Product Certifications EMI (Emissions) FCC Class A, EN55032 Class A, EN , EN , VCCI Class A, CISPR Class A, C-TICK, CE EMC (Immunity) EN55024 Electrical and Laser Safety EN (TUV), UL ( C UL US ), EN60825 Compliance Marks CE, C UL US, TUV, C-Tick 141

142 Appendix A: Technical Specifications RJ-45 Twisted Pair Port Pinouts Figure 65 illustrates the pin layout of the RJ-45 connectors on the front panel of the switch. Figure 65. RJ-45 Socket Pin Layout (Front View) Table 20 lists the pin signals when a port operating at 1Gbps or 10Gbps. Table 20. Pin Signals for 1Gbps or 10Gbps Pinout Pair 1 Pair Pair 1-3 Pair Pair Pair 3-6 Pair 2-7 Pair Pair 4-142

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